18549440

素因数分解:

$2^6\times 5^1\times 7^3\times {\mathrm{13}}^2$

素因数の和:64

約数の個数: 168

約数和(自身を含む): 55778400

約数和(自身を除く): 37228960

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 49, 52, 56, 64, 65, 70, 80, 91, 98, 104, 112, 130, 140, 160, 169, 182, 196, 208, 224, 245, 260, 280, 320, 338, 343, 364, 392, 416, 448, 455, 490, 520, 560, 637, 676, 686, 728, 784, 832, 845, 910, 980, 1040, 1120, 1183, 1274, 1352, 1372, 1456, 1568, 1690, 1715, 1820, 1960, 2080, 2240, 2366, 2548, 2704, 2744, 2912, 3136, 3185, 3380, 3430, 3640, 3920, 4160, 4459, 4732, 5096, 5408, 5488, 5824, 5915, 6370, 6760, 6860, 7280, 7840, 8281, 8918, 9464, 10192, 10816, 10976, 11830, 12740, 13520, 13720, 14560, 15680, 16562, 17836, 18928, 20384, 21952, 22295, 23660, 25480, 27040, 27440, 29120, 33124, 35672, 37856, 40768, 41405, 44590, 47320, 50960, 54080, 54880, 57967, 66248, 71344, 75712, 82810, 89180, 94640, 101920, 109760, 115934, 132496, 142688, 165620, 178360, 189280, 203840, 231868, 264992, 285376, 289835, 331240, 356720, 378560, 463736, 529984, 579670, 662480, 713440, 927472, 1159340, 1324960, 1426880, 1854944, 2318680, 2649920, 3709888, 4637360, 9274720, 18549440]

約数ペア:

[(1, 18549440), (2, 9274720), (4, 4637360), (5, 3709888), (7, 2649920), (8, 2318680), (10, 1854944), (13, 1426880), (14, 1324960), (16, 1159340), (20, 927472), (26, 713440), (28, 662480), (32, 579670), (35, 529984), (40, 463736), (49, 378560), (52, 356720), (56, 331240), (64, 289835), (65, 285376), (70, 264992), (80, 231868), (91, 203840), (98, 189280), (104, 178360), (112, 165620), (130, 142688), (140, 132496), (160, 115934), (169, 109760), (182, 101920), (196, 94640), (208, 89180), (224, 82810), (245, 75712), (260, 71344), (280, 66248), (320, 57967), (338, 54880), (343, 54080), (364, 50960), (392, 47320), (416, 44590), (448, 41405), (455, 40768), (490, 37856), (520, 35672), (560, 33124), (637, 29120), (676, 27440), (686, 27040), (728, 25480), (784, 23660), (832, 22295), (845, 21952), (910, 20384), (980, 18928), (1040, 17836), (1120, 16562), (1183, 15680), (1274, 14560), (1352, 13720), (1372, 13520), (1456, 12740), (1568, 11830), (1690, 10976), (1715, 10816), (1820, 10192), (1960, 9464), (2080, 8918), (2240, 8281), (2366, 7840), (2548, 7280), (2704, 6860), (2744, 6760), (2912, 6370), (3136, 5915), (3185, 5824), (3380, 5488), (3430, 5408), (3640, 5096), (3920, 4732), (4160, 4459)]