18181390

素因数分解:

$2^1\times 5^1\times {\mathrm{271}}^1\times {\mathrm{6709}}^1$

素因数の和:6987

約数の個数: 16

約数和(自身を含む): 32852160

約数和(自身を除く): 14670770

約数列:

[1, 2, 5, 10, 271, 542, 1355, 2710, 6709, 13418, 33545, 67090, 1818139, 3636278, 9090695, 18181390]

約数ペア:

[(1, 18181390), (2, 9090695), (5, 3636278), (10, 1818139), (271, 67090), (542, 33545), (1355, 13418), (2710, 6709)]