19807998

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{471619}}^1$

素因数の和:471631

約数の個数: 16

約数和(自身を含む): 45275520

約数和(自身を除く): 25467522

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 471619, 943238, 1414857, 2829714, 3301333, 6602666, 9903999, 19807998]

約数ペア:

[(1, 19807998), (2, 9903999), (3, 6602666), (6, 3301333), (7, 2829714), (14, 1414857), (21, 943238), (42, 471619)]