18875480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{36299}}^1$

素因数の和:36323

約数の個数: 32

約数和(自身を含む): 45738000

約数和(自身を除く): 26862520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 36299, 72598, 145196, 181495, 290392, 362990, 471887, 725980, 943774, 1451960, 1887548, 2359435, 3775096, 4718870, 9437740, 18875480]

約数ペア:

[(1, 18875480), (2, 9437740), (4, 4718870), (5, 3775096), (8, 2359435), (10, 1887548), (13, 1451960), (20, 943774), (26, 725980), (40, 471887), (52, 362990), (65, 290392), (104, 181495), (130, 145196), (260, 72598), (520, 36299)]