18674929

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1543}}^1$

素因数の和:1589

約数の個数: 24

約数和(自身を含む): 24642240

約数和(自身を除く): 5967311

約数列:

[1, 7, 13, 19, 49, 91, 133, 247, 637, 931, 1543, 1729, 10801, 12103, 20059, 29317, 75607, 140413, 205219, 381121, 982891, 1436533, 2667847, 18674929]

約数ペア:

[(1, 18674929), (7, 2667847), (13, 1436533), (19, 982891), (49, 381121), (91, 205219), (133, 140413), (247, 75607), (637, 29317), (931, 20059), (1543, 12103), (1729, 10801)]