19762840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29063}}^1$

素因数の和:29091

約数の個数: 32

約数和(自身を含む): 47083680

約数和(自身を除く): 27320840

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 29063, 58126, 116252, 145315, 232504, 290630, 494071, 581260, 988142, 1162520, 1976284, 2470355, 3952568, 4940710, 9881420, 19762840]

約数ペア:

[(1, 19762840), (2, 9881420), (4, 4940710), (5, 3952568), (8, 2470355), (10, 1976284), (17, 1162520), (20, 988142), (34, 581260), (40, 494071), (68, 290630), (85, 232504), (136, 145315), (170, 116252), (340, 58126), (680, 29063)]