28679284

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{19861}}^1$

素因数の和:19903

約数の個数: 18

約数和(自身を含む): 52971954

約数和(自身を除く): 24292670

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 19861, 39722, 79444, 377359, 754718, 1509436, 7169821, 14339642, 28679284]

約数ペア:

[(1, 28679284), (2, 14339642), (4, 7169821), (19, 1509436), (38, 754718), (76, 377359), (361, 79444), (722, 39722), (1444, 19861)]