18729231

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{457}}^1\times {\mathrm{719}}^1$

素因数の和:1198

約数の個数: 16

約数和(自身を含む): 26380800

約数和(自身を除く): 7651569

約数列:

[1, 3, 19, 57, 457, 719, 1371, 2157, 8683, 13661, 26049, 40983, 328583, 985749, 6243077, 18729231]

約数ペア:

[(1, 18729231), (3, 6243077), (19, 985749), (57, 328583), (457, 40983), (719, 26049), (1371, 13661), (2157, 8683)]