18848960

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1$

素因数の和:250

約数の個数: 112

約数和(自身を含む): 50694336

約数和(自身を除く): 31845376

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 32, 40, 46, 52, 64, 65, 80, 92, 104, 115, 130, 160, 184, 197, 208, 230, 260, 299, 320, 368, 394, 416, 460, 520, 598, 736, 788, 832, 920, 985, 1040, 1196, 1472, 1495, 1576, 1840, 1970, 2080, 2392, 2561, 2990, 3152, 3680, 3940, 4160, 4531, 4784, 5122, 5980, 6304, 7360, 7880, 9062, 9568, 10244, 11960, 12608, 12805, 15760, 18124, 19136, 20488, 22655, 23920, 25610, 31520, 36248, 40976, 45310, 47840, 51220, 58903, 63040, 72496, 81952, 90620, 95680, 102440, 117806, 144992, 163904, 181240, 204880, 235612, 289984, 294515, 362480, 409760, 471224, 589030, 724960, 819520, 942448, 1178060, 1449920, 1884896, 2356120, 3769792, 4712240, 9424480, 18848960]

約数ペア:

[(1, 18848960), (2, 9424480), (4, 4712240), (5, 3769792), (8, 2356120), (10, 1884896), (13, 1449920), (16, 1178060), (20, 942448), (23, 819520), (26, 724960), (32, 589030), (40, 471224), (46, 409760), (52, 362480), (64, 294515), (65, 289984), (80, 235612), (92, 204880), (104, 181240), (115, 163904), (130, 144992), (160, 117806), (184, 102440), (197, 95680), (208, 90620), (230, 81952), (260, 72496), (299, 63040), (320, 58903), (368, 51220), (394, 47840), (416, 45310), (460, 40976), (520, 36248), (598, 31520), (736, 25610), (788, 23920), (832, 22655), (920, 20488), (985, 19136), (1040, 18124), (1196, 15760), (1472, 12805), (1495, 12608), (1576, 11960), (1840, 10244), (1970, 9568), (2080, 9062), (2392, 7880), (2561, 7360), (2990, 6304), (3152, 5980), (3680, 5122), (3940, 4784), (4160, 4531)]