18770143

素因数分解:

$7^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1\times {\mathrm{191}}^1$

素因数の和:438

約数の個数: 16

約数和(自身を含む): 21934080

約数和(自身を除く): 3163937

約数列:

[1, 7, 101, 139, 191, 707, 973, 1337, 14039, 19291, 26549, 98273, 135037, 185843, 2681449, 18770143]

約数ペア:

[(1, 18770143), (7, 2681449), (101, 185843), (139, 135037), (191, 98273), (707, 26549), (973, 19291), (1337, 14039)]