18972710

素因数分解:

$2^1\times 5^1\times {\mathrm{271}}^1\times {\mathrm{7001}}^1$

素因数の和:7279

約数の個数: 16

約数和(自身を含む): 34281792

約数和(自身を除く): 15309082

約数列:

[1, 2, 5, 10, 271, 542, 1355, 2710, 7001, 14002, 35005, 70010, 1897271, 3794542, 9486355, 18972710]

約数ペア:

[(1, 18972710), (2, 9486355), (5, 3794542), (10, 1897271), (271, 70010), (542, 35005), (1355, 14002), (2710, 7001)]