17943640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3137}}^1$

素因数の和:3172

約数の個数: 64

約数和(自身を含む): 47446560

約数和(自身を除く): 29502920

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 260, 286, 440, 520, 572, 715, 1144, 1430, 2860, 3137, 5720, 6274, 12548, 15685, 25096, 31370, 34507, 40781, 62740, 69014, 81562, 125480, 138028, 163124, 172535, 203905, 276056, 326248, 345070, 407810, 448591, 690140, 815620, 897182, 1380280, 1631240, 1794364, 2242955, 3588728, 4485910, 8971820, 17943640]

約数ペア:

[(1, 17943640), (2, 8971820), (4, 4485910), (5, 3588728), (8, 2242955), (10, 1794364), (11, 1631240), (13, 1380280), (20, 897182), (22, 815620), (26, 690140), (40, 448591), (44, 407810), (52, 345070), (55, 326248), (65, 276056), (88, 203905), (104, 172535), (110, 163124), (130, 138028), (143, 125480), (220, 81562), (260, 69014), (286, 62740), (440, 40781), (520, 34507), (572, 31370), (715, 25096), (1144, 15685), (1430, 12548), (2860, 6274), (3137, 5720)]