18715450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{28793}}^1$

素因数の和:28818

約数の個数: 24

約数和(自身を含む): 37489788

約数和(自身を除く): 18774338

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 28793, 57586, 143965, 287930, 374309, 719825, 748618, 1439650, 1871545, 3743090, 9357725, 18715450]

約数ペア:

[(1, 18715450), (2, 9357725), (5, 3743090), (10, 1871545), (13, 1439650), (25, 748618), (26, 719825), (50, 374309), (65, 287930), (130, 143965), (325, 57586), (650, 28793)]