18802945

素因数分解:

$5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{8807}}^1$

素因数の和:8880

約数の個数: 16

約数和(自身を含む): 26212608

約数和(自身を除く): 7409663

約数列:

[1, 5, 7, 35, 61, 305, 427, 2135, 8807, 44035, 61649, 308245, 537227, 2686135, 3760589, 18802945]

約数ペア:

[(1, 18802945), (5, 3760589), (7, 2686135), (35, 537227), (61, 308245), (305, 61649), (427, 44035), (2135, 8807)]