18838090

素因数分解:

$2^1\times 5^1\times {\mathrm{509}}^1\times {\mathrm{3701}}^1$

素因数の和:4217

約数の個数: 16

約数和(自身を含む): 33984360

約数和(自身を除く): 15146270

約数列:

[1, 2, 5, 10, 509, 1018, 2545, 3701, 5090, 7402, 18505, 37010, 1883809, 3767618, 9419045, 18838090]

約数ペア:

[(1, 18838090), (2, 9419045), (5, 3767618), (10, 1883809), (509, 37010), (1018, 18505), (2545, 7402), (3701, 5090)]