19212812521

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{1102727}}^1$

素因数の和:1102884

約数の個数: 16

約数和(自身を含む): 23289615360

約数和(自身を除く): 4076802839

約数列:

[1, 7, 19, 131, 133, 917, 2489, 17423, 1102727, 7719089, 20951813, 144457237, 146662691, 1011200659, 2744687503, 19212812521]

約数ペア:

[(1, 19212812521), (7, 2744687503), (19, 1011200659), (131, 146662691), (133, 144457237), (917, 20951813), (2489, 7719089), (17423, 1102727)]