19291235

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{233}}^1\times {\mathrm{571}}^1$

素因数の和:838

約数の個数: 16

約数和(自身を含む): 24092640

約数和(自身を除く): 4801405

約数列:

[1, 5, 29, 145, 233, 571, 1165, 2855, 6757, 16559, 33785, 82795, 133043, 665215, 3858247, 19291235]

約数ペア:

[(1, 19291235), (5, 3858247), (29, 665215), (145, 133043), (233, 82795), (571, 33785), (1165, 16559), (2855, 6757)]