18943873

素因数分解:

${\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{461}}^1$

素因数の和:612

約数の個数: 16

約数和(自身を含む): 21344400

約数和(自身を除く): 2400527

約数列:

[1, 13, 29, 109, 377, 461, 1417, 3161, 5993, 13369, 41093, 50249, 173797, 653237, 1457221, 18943873]

約数ペア:

[(1, 18943873), (13, 1457221), (29, 653237), (109, 173797), (377, 50249), (461, 41093), (1417, 13369), (3161, 5993)]