196966768

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{647917}}^1$

素因数の和:647944

約数の個数: 20

約数和(自身を含む): 401709160

約数和(自身を除く): 204742392

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 647917, 1295834, 2591668, 5183336, 10366672, 12310423, 24620846, 49241692, 98483384, 196966768]

約数ペア:

[(1, 196966768), (2, 98483384), (4, 49241692), (8, 24620846), (16, 12310423), (19, 10366672), (38, 5183336), (76, 2591668), (152, 1295834), (304, 647917)]