18948320

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{271}}^1$

素因数の和:328

約数の個数: 96

約数和(自身を含む): 49351680

約数和(自身を除く): 30403360

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 32, 38, 40, 46, 76, 80, 92, 95, 115, 152, 160, 184, 190, 230, 271, 304, 368, 380, 437, 460, 542, 608, 736, 760, 874, 920, 1084, 1355, 1520, 1748, 1840, 2168, 2185, 2710, 3040, 3496, 3680, 4336, 4370, 5149, 5420, 6233, 6992, 8672, 8740, 10298, 10840, 12466, 13984, 17480, 20596, 21680, 24932, 25745, 31165, 34960, 41192, 43360, 49864, 51490, 62330, 69920, 82384, 99728, 102980, 118427, 124660, 164768, 199456, 205960, 236854, 249320, 411920, 473708, 498640, 592135, 823840, 947416, 997280, 1184270, 1894832, 2368540, 3789664, 4737080, 9474160, 18948320]

約数ペア:

[(1, 18948320), (2, 9474160), (4, 4737080), (5, 3789664), (8, 2368540), (10, 1894832), (16, 1184270), (19, 997280), (20, 947416), (23, 823840), (32, 592135), (38, 498640), (40, 473708), (46, 411920), (76, 249320), (80, 236854), (92, 205960), (95, 199456), (115, 164768), (152, 124660), (160, 118427), (184, 102980), (190, 99728), (230, 82384), (271, 69920), (304, 62330), (368, 51490), (380, 49864), (437, 43360), (460, 41192), (542, 34960), (608, 31165), (736, 25745), (760, 24932), (874, 21680), (920, 20596), (1084, 17480), (1355, 13984), (1520, 12466), (1748, 10840), (1840, 10298), (2168, 8740), (2185, 8672), (2710, 6992), (3040, 6233), (3496, 5420), (3680, 5149), (4336, 4370)]