18646160

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17929}}^1$

素因数の和:17955

約数の個数: 40

約数和(自身を含む): 46689720

約数和(自身を除く): 28043560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 17929, 35858, 71716, 89645, 143432, 179290, 233077, 286864, 358580, 466154, 717160, 932308, 1165385, 1434320, 1864616, 2330770, 3729232, 4661540, 9323080, 18646160]

約数ペア:

[(1, 18646160), (2, 9323080), (4, 4661540), (5, 3729232), (8, 2330770), (10, 1864616), (13, 1434320), (16, 1165385), (20, 932308), (26, 717160), (40, 466154), (52, 358580), (65, 286864), (80, 233077), (104, 179290), (130, 143432), (208, 89645), (260, 71716), (520, 35858), (1040, 17929)]