19919225720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29292979}}^1$

素因数の和:29293007

約数の個数: 32

約数和(自身を含む): 47454627600

約数和(自身を除く): 27535401880

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 29292979, 58585958, 117171916, 146464895, 234343832, 292929790, 497980643, 585859580, 995961286, 1171719160, 1991922572, 2489903215, 3983845144, 4979806430, 9959612860, 19919225720]

約数ペア:

[(1, 19919225720), (2, 9959612860), (4, 4979806430), (5, 3983845144), (8, 2489903215), (10, 1991922572), (17, 1171719160), (20, 995961286), (34, 585859580), (40, 497980643), (68, 292929790), (85, 234343832), (136, 146464895), (170, 117171916), (340, 58585958), (680, 29292979)]