18085808

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{86951}}^1$

素因数の和:86972

約数の個数: 20

約数和(自身を含む): 37737168

約数和(自身を除く): 19651360

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 86951, 173902, 347804, 695608, 1130363, 1391216, 2260726, 4521452, 9042904, 18085808]

約数ペア:

[(1, 18085808), (2, 9042904), (4, 4521452), (8, 2260726), (13, 1391216), (16, 1130363), (26, 695608), (52, 347804), (104, 173902), (208, 86951)]