19772079

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{433}}^1\times {\mathrm{491}}^1$

素因数の和:958

約数の個数: 16

約数和(自身を含む): 27331584

約数和(自身を除く): 7559505

約数列:

[1, 3, 31, 93, 433, 491, 1299, 1473, 13423, 15221, 40269, 45663, 212603, 637809, 6590693, 19772079]

約数ペア:

[(1, 19772079), (3, 6590693), (31, 637809), (93, 212603), (433, 45663), (491, 40269), (1299, 15221), (1473, 13423)]