19158881

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{1229}}^1$

素因数の和:1384

約数の個数: 16

約数和(自身を含む): 23379840

約数和(自身を除く): 4220959

約数列:

[1, 7, 17, 119, 131, 917, 1229, 2227, 8603, 15589, 20893, 146251, 160999, 1126993, 2736983, 19158881]

約数ペア:

[(1, 19158881), (7, 2736983), (17, 1126993), (119, 160999), (131, 146251), (917, 20893), (1229, 15589), (2227, 8603)]