18225545

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{167}}^1$

素因数の和:281

約数の個数: 32

約数和(自身を含む): 25062912

約数和(自身を除く): 6837367

約数列:

[1, 5, 13, 23, 65, 73, 115, 167, 299, 365, 835, 949, 1495, 1679, 2171, 3841, 4745, 8395, 10855, 12191, 19205, 21827, 49933, 60955, 109135, 158483, 249665, 280393, 792415, 1401965, 3645109, 18225545]

約数ペア:

[(1, 18225545), (5, 3645109), (13, 1401965), (23, 792415), (65, 280393), (73, 249665), (115, 158483), (167, 109135), (299, 60955), (365, 49933), (835, 21827), (949, 19205), (1495, 12191), (1679, 10855), (2171, 8395), (3841, 4745)]