19912320728

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{1531}}^1\times {\mathrm{95633}}^1$

素因数の和:97187

約数の個数: 32

約数和(自身を含む): 39558047760

約数和(自身を除く): 19645727032

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 1531, 3062, 6124, 12248, 26027, 52054, 95633, 104108, 191266, 208216, 382532, 765064, 1625761, 3251522, 6503044, 13006088, 146414123, 292828246, 585656492, 1171312984, 2489040091, 4978080182, 9956160364, 19912320728]

約数ペア:

[(1, 19912320728), (2, 9956160364), (4, 4978080182), (8, 2489040091), (17, 1171312984), (34, 585656492), (68, 292828246), (136, 146414123), (1531, 13006088), (3062, 6503044), (6124, 3251522), (12248, 1625761), (26027, 765064), (52054, 382532), (95633, 208216), (104108, 191266)]