19823921

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{271}}^1\times {\mathrm{331}}^1$

素因数の和:632

約数の個数: 16

約数和(自身を含む): 22756608

約数和(自身を除く): 2932687

約数列:

[1, 13, 17, 221, 271, 331, 3523, 4303, 4607, 5627, 59891, 73151, 89701, 1166113, 1524917, 19823921]

約数ペア:

[(1, 19823921), (13, 1524917), (17, 1166113), (221, 89701), (271, 73151), (331, 59891), (3523, 5627), (4303, 4607)]