19838962390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{11739031}}^1$

素因数の和:11739064

約数の個数: 24

約数和(自身を含む): 38668371408

約数和(自身を除く): 18829409018

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 11739031, 23478062, 58695155, 117390310, 152607403, 305214806, 763037015, 1526074030, 1983896239, 3967792478, 9919481195, 19838962390]

約数ペア:

[(1, 19838962390), (2, 9919481195), (5, 3967792478), (10, 1983896239), (13, 1526074030), (26, 763037015), (65, 305214806), (130, 152607403), (169, 117390310), (338, 58695155), (845, 23478062), (1690, 11739031)]