19377818

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{211}}^1\times {\mathrm{977}}^1$

素因数の和:1237

約数の個数: 16

約数和(自身を含む): 29856384

約数和(自身を除く): 10478566

約数列:

[1, 2, 47, 94, 211, 422, 977, 1954, 9917, 19834, 45919, 91838, 206147, 412294, 9688909, 19377818]

約数ペア:

[(1, 19377818), (2, 9688909), (47, 412294), (94, 206147), (211, 91838), (422, 45919), (977, 19834), (1954, 9917)]