18331920

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1$

素因数の和:92

約数の個数: 240

約数和(自身を含む): 68245632

約数和(自身を除く): 49913712

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 27, 30, 36, 40, 41, 45, 46, 48, 54, 60, 69, 72, 80, 81, 82, 90, 92, 108, 115, 120, 123, 135, 138, 144, 162, 164, 180, 184, 205, 207, 216, 230, 240, 243, 246, 270, 276, 324, 328, 345, 360, 368, 369, 405, 410, 414, 432, 460, 486, 492, 540, 552, 615, 621, 648, 656, 690, 720, 738, 810, 820, 828, 920, 943, 972, 984, 1035, 1080, 1104, 1107, 1215, 1230, 1242, 1296, 1380, 1476, 1620, 1640, 1656, 1840, 1845, 1863, 1886, 1944, 1968, 2070, 2160, 2214, 2430, 2460, 2484, 2760, 2829, 2952, 3105, 3240, 3280, 3312, 3321, 3690, 3726, 3772, 3888, 4140, 4428, 4715, 4860, 4920, 4968, 5520, 5535, 5589, 5658, 5904, 6210, 6480, 6642, 7380, 7452, 7544, 8280, 8487, 8856, 9315, 9430, 9720, 9840, 9936, 9963, 11070, 11178, 11316, 12420, 13284, 14145, 14760, 14904, 15088, 16560, 16605, 16974, 17712, 18630, 18860, 19440, 19926, 22140, 22356, 22632, 24840, 25461, 26568, 27945, 28290, 29520, 29808, 33210, 33948, 37260, 37720, 39852, 42435, 44280, 44712, 45264, 49680, 49815, 50922, 53136, 55890, 56580, 66420, 67896, 74520, 75440, 76383, 79704, 84870, 88560, 89424, 99630, 101844, 111780, 113160, 127305, 132840, 135792, 149040, 152766, 159408, 169740, 199260, 203688, 223560, 226320, 229149, 254610, 265680, 305532, 339480, 381915, 398520, 407376, 447120, 458298, 509220, 611064, 678960, 763830, 797040, 916596, 1018440, 1145745, 1222128, 1527660, 1833192, 2036880, 2291490, 3055320, 3666384, 4582980, 6110640, 9165960, 18331920]

約数ペア:

[(1, 18331920), (2, 9165960), (3, 6110640), (4, 4582980), (5, 3666384), (6, 3055320), (8, 2291490), (9, 2036880), (10, 1833192), (12, 1527660), (15, 1222128), (16, 1145745), (18, 1018440), (20, 916596), (23, 797040), (24, 763830), (27, 678960), (30, 611064), (36, 509220), (40, 458298), (41, 447120), (45, 407376), (46, 398520), (48, 381915), (54, 339480), (60, 305532), (69, 265680), (72, 254610), (80, 229149), (81, 226320), (82, 223560), (90, 203688), (92, 199260), (108, 169740), (115, 159408), (120, 152766), (123, 149040), (135, 135792), (138, 132840), (144, 127305), (162, 113160), (164, 111780), (180, 101844), (184, 99630), (205, 89424), (207, 88560), (216, 84870), (230, 79704), (240, 76383), (243, 75440), (246, 74520), (270, 67896), (276, 66420), (324, 56580), (328, 55890), (345, 53136), (360, 50922), (368, 49815), (369, 49680), (405, 45264), (410, 44712), (414, 44280), (432, 42435), (460, 39852), (486, 37720), (492, 37260), (540, 33948), (552, 33210), (615, 29808), (621, 29520), (648, 28290), (656, 27945), (690, 26568), (720, 25461), (738, 24840), (810, 22632), (820, 22356), (828, 22140), (920, 19926), (943, 19440), (972, 18860), (984, 18630), (1035, 17712), (1080, 16974), (1104, 16605), (1107, 16560), (1215, 15088), (1230, 14904), (1242, 14760), (1296, 14145), (1380, 13284), (1476, 12420), (1620, 11316), (1640, 11178), (1656, 11070), (1840, 9963), (1845, 9936), (1863, 9840), (1886, 9720), (1944, 9430), (1968, 9315), (2070, 8856), (2160, 8487), (2214, 8280), (2430, 7544), (2460, 7452), (2484, 7380), (2760, 6642), (2829, 6480), (2952, 6210), (3105, 5904), (3240, 5658), (3280, 5589), (3312, 5535), (3321, 5520), (3690, 4968), (3726, 4920), (3772, 4860), (3888, 4715), (4140, 4428)]