18460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1$

素因数の和:93

約数の個数: 24

約数和(自身を含む): 42336

約数和(自身を除く): 23876

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 130, 142, 260, 284, 355, 710, 923, 1420, 1846, 3692, 4615, 9230, 18460]

約数ペア:

[(1, 18460), (2, 9230), (4, 4615), (5, 3692), (10, 1846), (13, 1420), (20, 923), (26, 710), (52, 355), (65, 284), (71, 260), (130, 142)]