18923870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{6287}}^1$

素因数の和:6344

約数の個数: 32

約数和(自身を含む): 39840768

約数和(自身を除く): 20916898

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 70, 86, 215, 301, 430, 602, 1505, 3010, 6287, 12574, 31435, 44009, 62870, 88018, 220045, 270341, 440090, 540682, 1351705, 1892387, 2703410, 3784774, 9461935, 18923870]

約数ペア:

[(1, 18923870), (2, 9461935), (5, 3784774), (7, 2703410), (10, 1892387), (14, 1351705), (35, 540682), (43, 440090), (70, 270341), (86, 220045), (215, 88018), (301, 62870), (430, 44009), (602, 31435), (1505, 12574), (3010, 6287)]