18697630

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{2039}}^1$

素因数の和:2184

約数の個数: 32

約数和(自身を含む): 38776320

約数和(自身を除く): 20078690

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 131, 262, 655, 917, 1310, 1834, 2039, 4078, 4585, 9170, 10195, 14273, 20390, 28546, 71365, 142730, 267109, 534218, 1335545, 1869763, 2671090, 3739526, 9348815, 18697630]

約数ペア:

[(1, 18697630), (2, 9348815), (5, 3739526), (7, 2671090), (10, 1869763), (14, 1335545), (35, 534218), (70, 267109), (131, 142730), (262, 71365), (655, 28546), (917, 20390), (1310, 14273), (1834, 10195), (2039, 9170), (4078, 4585)]