19948549

素因数分解:

${\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:308

約数の個数: 16

約数和(自身を含む): 21384000

約数和(自身を除く): 1435451

約数列:

[1, 29, 59, 89, 131, 1711, 2581, 3799, 5251, 7729, 11659, 152279, 224141, 338111, 687881, 19948549]

約数ペア:

[(1, 19948549), (29, 687881), (59, 338111), (89, 224141), (131, 152279), (1711, 11659), (2581, 7729), (3799, 5251)]