18810918

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{6491}}^1$

素因数の和:6529

約数の個数: 48

約数和(自身を含む): 48612096

約数和(自身を除く): 29801178

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 23, 42, 46, 63, 69, 126, 138, 161, 207, 322, 414, 483, 966, 1449, 2898, 6491, 12982, 19473, 38946, 45437, 58419, 90874, 116838, 136311, 149293, 272622, 298586, 408933, 447879, 817866, 895758, 1045051, 1343637, 2090102, 2687274, 3135153, 6270306, 9405459, 18810918]

約数ペア:

[(1, 18810918), (2, 9405459), (3, 6270306), (6, 3135153), (7, 2687274), (9, 2090102), (14, 1343637), (18, 1045051), (21, 895758), (23, 817866), (42, 447879), (46, 408933), (63, 298586), (69, 272622), (126, 149293), (138, 136311), (161, 116838), (207, 90874), (322, 58419), (414, 45437), (483, 38946), (966, 19473), (1449, 12982), (2898, 6491)]