18868821

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{2971}}^1$

素因数の和:3076

約数の個数: 16

約数和(自身を含む): 26391360

約数和(自身を除く): 7522539

約数列:

[1, 3, 29, 73, 87, 219, 2117, 2971, 6351, 8913, 86159, 216883, 258477, 650649, 6289607, 18868821]

約数ペア:

[(1, 18868821), (3, 6289607), (29, 650649), (73, 258477), (87, 216883), (219, 86159), (2117, 8913), (2971, 6351)]