18156838

素因数分解:

$2^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{5167}}^1$

素因数の和:5427

約数の個数: 16

約数和(自身を含む): 31256064

約数和(自身を除く): 13099226

約数列:

[1, 2, 7, 14, 251, 502, 1757, 3514, 5167, 10334, 36169, 72338, 1296917, 2593834, 9078419, 18156838]

約数ペア:

[(1, 18156838), (2, 9078419), (7, 2593834), (14, 1296917), (251, 72338), (502, 36169), (1757, 10334), (3514, 5167)]