19967445

素因数分解:

$3^3\times 5^1\times {\mathrm{353}}^1\times {\mathrm{419}}^1$

素因数の和:786

約数の個数: 32

約数和(自身を含む): 35683200

約数和(自身を除く): 15715755

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 353, 419, 1059, 1257, 1765, 2095, 3177, 3771, 5295, 6285, 9531, 11313, 15885, 18855, 47655, 56565, 147907, 443721, 739535, 1331163, 2218605, 3993489, 6655815, 19967445]

約数ペア:

[(1, 19967445), (3, 6655815), (5, 3993489), (9, 2218605), (15, 1331163), (27, 739535), (45, 443721), (135, 147907), (353, 56565), (419, 47655), (1059, 18855), (1257, 15885), (1765, 11313), (2095, 9531), (3177, 6285), (3771, 5295)]