18882455

素因数分解:

$5^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1\times {\mathrm{269}}^1$

素因数の和:514

約数の個数: 16

約数和(自身を含む): 23133600

約数和(自身を除く): 4251145

約数列:

[1, 5, 101, 139, 269, 505, 695, 1345, 14039, 27169, 37391, 70195, 135845, 186955, 3776491, 18882455]

約数ペア:

[(1, 18882455), (5, 3776491), (101, 186955), (139, 135845), (269, 70195), (505, 37391), (695, 27169), (1345, 14039)]