66619472

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{219143}}^1$

素因数の和:219170

約数の個数: 20

約数和(自身を含む): 135869280

約数和(自身を除く): 69249808

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 219143, 438286, 876572, 1753144, 3506288, 4163717, 8327434, 16654868, 33309736, 66619472]

約数ペア:

[(1, 66619472), (2, 33309736), (4, 16654868), (8, 8327434), (16, 4163717), (19, 3506288), (38, 1753144), (76, 876572), (152, 438286), (304, 219143)]