18269968

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{67169}}^1$

素因数の和:67194

約数の個数: 20

約数和(自身を含む): 37480860

約数和(自身を除く): 19210892

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 67169, 134338, 268676, 537352, 1074704, 1141873, 2283746, 4567492, 9134984, 18269968]

約数ペア:

[(1, 18269968), (2, 9134984), (4, 4567492), (8, 2283746), (16, 1141873), (17, 1074704), (34, 537352), (68, 268676), (136, 134338), (272, 67169)]