19985983204

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{4019707}}^1$

素因数の和:4019835

約数の個数: 24

約数和(自身を含む): 38492723808

約数和(自身を除く): 18506740604

約数列:

[1, 2, 4, 11, 22, 44, 113, 226, 452, 1243, 2486, 4972, 4019707, 8039414, 16078828, 44216777, 88433554, 176867108, 454226891, 908453782, 1816907564, 4996495801, 9992991602, 19985983204]

約数ペア:

[(1, 19985983204), (2, 9992991602), (4, 4996495801), (11, 1816907564), (22, 908453782), (44, 454226891), (113, 176867108), (226, 88433554), (452, 44216777), (1243, 16078828), (2486, 8039414), (4972, 4019707)]