18884929

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{941}}^1$

素因数の和:1056

約数の個数: 16

約数和(自身を含む): 22427136

約数和(自身を除く): 3542207

約数列:

[1, 7, 47, 61, 329, 427, 941, 2867, 6587, 20069, 44227, 57401, 309589, 401807, 2697847, 18884929]

約数ペア:

[(1, 18884929), (7, 2697847), (47, 401807), (61, 309589), (329, 57401), (427, 44227), (941, 20069), (2867, 6587)]