19510564

素因数分解:

$2^2\times {\mathrm{73}}^1\times {\mathrm{109}}^1\times {\mathrm{613}}^1$

素因数の和:799

約数の個数: 24

約数和(自身を含む): 34985720

約数和(自身を除く): 15475156

約数列:

[1, 2, 4, 73, 109, 146, 218, 292, 436, 613, 1226, 2452, 7957, 15914, 31828, 44749, 66817, 89498, 133634, 178996, 267268, 4877641, 9755282, 19510564]

約数ペア:

[(1, 19510564), (2, 9755282), (4, 4877641), (73, 267268), (109, 178996), (146, 133634), (218, 89498), (292, 66817), (436, 44749), (613, 31828), (1226, 15914), (2452, 7957)]