19259215

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{7309}}^1$

素因数の和:7362

約数の個数: 16

約数和(自身を含む): 25263360

約数和(自身を除く): 6004145

約数列:

[1, 5, 17, 31, 85, 155, 527, 2635, 7309, 36545, 124253, 226579, 621265, 1132895, 3851843, 19259215]

約数ペア:

[(1, 19259215), (5, 3851843), (17, 1132895), (31, 621265), (85, 226579), (155, 124253), (527, 36545), (2635, 7309)]