19164020

素因数分解:

$2^2\times 5^1\times {\mathrm{617}}^1\times {\mathrm{1553}}^1$

素因数の和:2179

約数の個数: 24

約数和(自身を含む): 40335624

約数和(自身を除く): 21171604

約数列:

[1, 2, 4, 5, 10, 20, 617, 1234, 1553, 2468, 3085, 3106, 6170, 6212, 7765, 12340, 15530, 31060, 958201, 1916402, 3832804, 4791005, 9582010, 19164020]

約数ペア:

[(1, 19164020), (2, 9582010), (4, 4791005), (5, 3832804), (10, 1916402), (20, 958201), (617, 31060), (1234, 15530), (1553, 12340), (2468, 7765), (3085, 6212), (3106, 6170)]