18766920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{3637}}^1$

素因数の和:3694

約数の個数: 64

約数和(自身を含む): 57625920

約数和(自身を除く): 38859000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 215, 258, 344, 430, 516, 645, 860, 1032, 1290, 1720, 2580, 3637, 5160, 7274, 10911, 14548, 18185, 21822, 29096, 36370, 43644, 54555, 72740, 87288, 109110, 145480, 156391, 218220, 312782, 436440, 469173, 625564, 781955, 938346, 1251128, 1563910, 1876692, 2345865, 3127820, 3753384, 4691730, 6255640, 9383460, 18766920]

約数ペア:

[(1, 18766920), (2, 9383460), (3, 6255640), (4, 4691730), (5, 3753384), (6, 3127820), (8, 2345865), (10, 1876692), (12, 1563910), (15, 1251128), (20, 938346), (24, 781955), (30, 625564), (40, 469173), (43, 436440), (60, 312782), (86, 218220), (120, 156391), (129, 145480), (172, 109110), (215, 87288), (258, 72740), (344, 54555), (430, 43644), (516, 36370), (645, 29096), (860, 21822), (1032, 18185), (1290, 14548), (1720, 10911), (2580, 7274), (3637, 5160)]