18982340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73009}}^1$

素因数の和:73031

約数の個数: 24

約数和(自身を含む): 42929880

約数和(自身を除く): 23947540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 73009, 146018, 292036, 365045, 730090, 949117, 1460180, 1898234, 3796468, 4745585, 9491170, 18982340]

約数ペア:

[(1, 18982340), (2, 9491170), (4, 4745585), (5, 3796468), (10, 1898234), (13, 1460180), (20, 949117), (26, 730090), (52, 365045), (65, 292036), (130, 146018), (260, 73009)]