18477776

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{67933}}^1$

素因数の和:67958

約数の個数: 20

約数和(自身を含む): 37907172

約数和(自身を除く): 19429396

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 67933, 135866, 271732, 543464, 1086928, 1154861, 2309722, 4619444, 9238888, 18477776]

約数ペア:

[(1, 18477776), (2, 9238888), (4, 4619444), (8, 2309722), (16, 1154861), (17, 1086928), (34, 543464), (68, 271732), (136, 135866), (272, 67933)]