19977430

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{941}}^1$

素因数の和:1152

約数の個数: 32

約数和(自身を含む): 39473568

約数和(自身を除く): 19496138

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 193, 386, 941, 965, 1882, 1930, 2123, 4246, 4705, 9410, 10351, 10615, 20702, 21230, 51755, 103510, 181613, 363226, 908065, 1816130, 1997743, 3995486, 9988715, 19977430]

約数ペア:

[(1, 19977430), (2, 9988715), (5, 3995486), (10, 1997743), (11, 1816130), (22, 908065), (55, 363226), (110, 181613), (193, 103510), (386, 51755), (941, 21230), (965, 20702), (1882, 10615), (1930, 10351), (2123, 9410), (4246, 4705)]