18172518

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{401}}^1$

素因数の和:509

約数の個数: 64

約数和(自身を含む): 45384192

約数和(自身を除く): 27211674

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 83, 91, 166, 182, 249, 273, 401, 498, 546, 581, 802, 1079, 1162, 1203, 1743, 2158, 2406, 2807, 3237, 3486, 5213, 5614, 6474, 7553, 8421, 10426, 15106, 15639, 16842, 22659, 31278, 33283, 36491, 45318, 66566, 72982, 99849, 109473, 199698, 218946, 232981, 432679, 465962, 698943, 865358, 1298037, 1397886, 2596074, 3028753, 6057506, 9086259, 18172518]

約数ペア:

[(1, 18172518), (2, 9086259), (3, 6057506), (6, 3028753), (7, 2596074), (13, 1397886), (14, 1298037), (21, 865358), (26, 698943), (39, 465962), (42, 432679), (78, 232981), (83, 218946), (91, 199698), (166, 109473), (182, 99849), (249, 72982), (273, 66566), (401, 45318), (498, 36491), (546, 33283), (581, 31278), (802, 22659), (1079, 16842), (1162, 15639), (1203, 15106), (1743, 10426), (2158, 8421), (2406, 7553), (2807, 6474), (3237, 5614), (3486, 5213)]