18957888

素因数分解:

$2^6\times 3^5\times {\mathrm{23}}^1\times {\mathrm{53}}^1$

素因数の和:103

約数の個数: 168

約数和(自身を含む): 59911488

約数和(自身を除く): 40953600

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 27, 32, 36, 46, 48, 53, 54, 64, 69, 72, 81, 92, 96, 106, 108, 138, 144, 159, 162, 184, 192, 207, 212, 216, 243, 276, 288, 318, 324, 368, 414, 424, 432, 477, 486, 552, 576, 621, 636, 648, 736, 828, 848, 864, 954, 972, 1104, 1219, 1242, 1272, 1296, 1431, 1472, 1656, 1696, 1728, 1863, 1908, 1944, 2208, 2438, 2484, 2544, 2592, 2862, 3312, 3392, 3657, 3726, 3816, 3888, 4293, 4416, 4876, 4968, 5088, 5184, 5589, 5724, 6624, 7314, 7452, 7632, 7776, 8586, 9752, 9936, 10176, 10971, 11178, 11448, 12879, 13248, 14628, 14904, 15264, 15552, 17172, 19504, 19872, 21942, 22356, 22896, 25758, 29256, 29808, 30528, 32913, 34344, 39008, 39744, 43884, 44712, 45792, 51516, 58512, 59616, 65826, 68688, 78016, 87768, 89424, 91584, 98739, 103032, 117024, 119232, 131652, 137376, 175536, 178848, 197478, 206064, 234048, 263304, 274752, 296217, 351072, 357696, 394956, 412128, 526608, 592434, 702144, 789912, 824256, 1053216, 1184868, 1579824, 2106432, 2369736, 3159648, 4739472, 6319296, 9478944, 18957888]

約数ペア:

[(1, 18957888), (2, 9478944), (3, 6319296), (4, 4739472), (6, 3159648), (8, 2369736), (9, 2106432), (12, 1579824), (16, 1184868), (18, 1053216), (23, 824256), (24, 789912), (27, 702144), (32, 592434), (36, 526608), (46, 412128), (48, 394956), (53, 357696), (54, 351072), (64, 296217), (69, 274752), (72, 263304), (81, 234048), (92, 206064), (96, 197478), (106, 178848), (108, 175536), (138, 137376), (144, 131652), (159, 119232), (162, 117024), (184, 103032), (192, 98739), (207, 91584), (212, 89424), (216, 87768), (243, 78016), (276, 68688), (288, 65826), (318, 59616), (324, 58512), (368, 51516), (414, 45792), (424, 44712), (432, 43884), (477, 39744), (486, 39008), (552, 34344), (576, 32913), (621, 30528), (636, 29808), (648, 29256), (736, 25758), (828, 22896), (848, 22356), (864, 21942), (954, 19872), (972, 19504), (1104, 17172), (1219, 15552), (1242, 15264), (1272, 14904), (1296, 14628), (1431, 13248), (1472, 12879), (1656, 11448), (1696, 11178), (1728, 10971), (1863, 10176), (1908, 9936), (1944, 9752), (2208, 8586), (2438, 7776), (2484, 7632), (2544, 7452), (2592, 7314), (2862, 6624), (3312, 5724), (3392, 5589), (3657, 5184), (3726, 5088), (3816, 4968), (3888, 4876), (4293, 4416)]