17960017820

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{997}}^1\times {\mathrm{39161}}^1$

素因数の和:40190

約数の個数: 48

約数和(自身を含む): 39396345408

約数和(自身を除く): 21436327588

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 997, 1994, 3988, 4985, 9970, 19940, 22931, 39161, 45862, 78322, 91724, 114655, 156644, 195805, 229310, 391610, 458620, 783220, 900703, 1801406, 3602812, 4503515, 9007030, 18014060, 39043517, 78087034, 156174068, 195217585, 390435170, 780870340, 898000891, 1796001782, 3592003564, 4490004455, 8980008910, 17960017820]

約数ペア:

[(1, 17960017820), (2, 8980008910), (4, 4490004455), (5, 3592003564), (10, 1796001782), (20, 898000891), (23, 780870340), (46, 390435170), (92, 195217585), (115, 156174068), (230, 78087034), (460, 39043517), (997, 18014060), (1994, 9007030), (3988, 4503515), (4985, 3602812), (9970, 1801406), (19940, 900703), (22931, 783220), (39161, 458620), (45862, 391610), (78322, 229310), (91724, 195805), (114655, 156644)]