18878473

素因数分解:

${\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{151}}^1$

素因数の和:328

約数の個数: 16

約数和(自身を含む): 20331520

約数和(自身を除く): 1453047

約数列:

[1, 31, 37, 109, 151, 1147, 3379, 4033, 4681, 5587, 16459, 125023, 173197, 510229, 608983, 18878473]

約数ペア:

[(1, 18878473), (31, 608983), (37, 510229), (109, 173197), (151, 125023), (1147, 16459), (3379, 5587), (4033, 4681)]