18678894

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^4\times {\mathrm{109}}^1$

素因数の和:166

約数の個数: 40

約数和(自身を含む): 40842120

約数和(自身を除く): 22163226

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 109, 169, 218, 327, 338, 507, 654, 1014, 1417, 2197, 2834, 4251, 4394, 6591, 8502, 13182, 18421, 28561, 36842, 55263, 57122, 85683, 110526, 171366, 239473, 478946, 718419, 1436838, 3113149, 6226298, 9339447, 18678894]

約数ペア:

[(1, 18678894), (2, 9339447), (3, 6226298), (6, 3113149), (13, 1436838), (26, 718419), (39, 478946), (78, 239473), (109, 171366), (169, 110526), (218, 85683), (327, 57122), (338, 55263), (507, 36842), (654, 28561), (1014, 18421), (1417, 13182), (2197, 8502), (2834, 6591), (4251, 4394)]