18178744

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{2917}}^1$

素因数の和:2983

約数の個数: 32

約数和(自身を含む): 36766800

約数和(自身を除く): 18588056

約数列:

[1, 2, 4, 8, 19, 38, 41, 76, 82, 152, 164, 328, 779, 1558, 2917, 3116, 5834, 6232, 11668, 23336, 55423, 110846, 119597, 221692, 239194, 443384, 478388, 956776, 2272343, 4544686, 9089372, 18178744]

約数ペア:

[(1, 18178744), (2, 9089372), (4, 4544686), (8, 2272343), (19, 956776), (38, 478388), (41, 443384), (76, 239194), (82, 221692), (152, 119597), (164, 110846), (328, 55423), (779, 23336), (1558, 11668), (2917, 6232), (3116, 5834)]