18705214

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{27427}}^1$

素因数の和:27471

約数の個数: 16

約数和(自身を含む): 31597056

約数和(自身を除く): 12891842

約数列:

[1, 2, 11, 22, 31, 62, 341, 682, 27427, 54854, 301697, 603394, 850237, 1700474, 9352607, 18705214]

約数ペア:

[(1, 18705214), (2, 9352607), (11, 1700474), (22, 850237), (31, 603394), (62, 301697), (341, 54854), (682, 27427)]