18363915

素因数分解:

$3^4\times 5^1\times {\mathrm{45343}}^1$

素因数の和:45360

約数の個数: 20

約数和(自身を含む): 32919744

約数和(自身を除く): 14555829

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 45343, 136029, 226715, 408087, 680145, 1224261, 2040435, 3672783, 6121305, 18363915]

約数ペア:

[(1, 18363915), (3, 6121305), (5, 3672783), (9, 2040435), (15, 1224261), (27, 680145), (45, 408087), (81, 226715), (135, 136029), (405, 45343)]