19640803390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1583}}^1\times {\mathrm{95441}}^1$

素因数の和:97044

約数の個数: 32

約数和(自身を含む): 38097392256

約数和(自身を除く): 18456588866

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1583, 3166, 7915, 15830, 20579, 41158, 95441, 102895, 190882, 205790, 477205, 954410, 1240733, 2481466, 6203665, 12407330, 151083103, 302166206, 755415515, 1510831030, 1964080339, 3928160678, 9820401695, 19640803390]

約数ペア:

[(1, 19640803390), (2, 9820401695), (5, 3928160678), (10, 1964080339), (13, 1510831030), (26, 755415515), (65, 302166206), (130, 151083103), (1583, 12407330), (3166, 6203665), (7915, 2481466), (15830, 1240733), (20579, 954410), (41158, 477205), (95441, 205790), (102895, 190882)]