19009385

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{3517}}^1$

素因数の和:3592

約数の個数: 16

約数和(自身を含む): 24316416

約数和(自身を除く): 5307031

約数列:

[1, 5, 23, 47, 115, 235, 1081, 3517, 5405, 17585, 80891, 165299, 404455, 826495, 3801877, 19009385]

約数ペア:

[(1, 19009385), (5, 3801877), (23, 826495), (47, 404455), (115, 165299), (235, 80891), (1081, 17585), (3517, 5405)]