18643970

素因数分解:

$2^1\times 5^1\times {\mathrm{151}}^1\times {\mathrm{12347}}^1$

素因数の和:12505

約数の個数: 16

約数和(自身を含む): 33784128

約数和(自身を除く): 15140158

約数列:

[1, 2, 5, 10, 151, 302, 755, 1510, 12347, 24694, 61735, 123470, 1864397, 3728794, 9321985, 18643970]

約数ペア:

[(1, 18643970), (2, 9321985), (5, 3728794), (10, 1864397), (151, 123470), (302, 61735), (755, 24694), (1510, 12347)]