17913966

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1$

素因数の和:257

約数の個数: 64

約数和(自身を含む): 42771456

約数和(自身を除く): 24857490

約数列:

[1, 2, 3, 6, 7, 14, 21, 41, 42, 82, 101, 103, 123, 202, 206, 246, 287, 303, 309, 574, 606, 618, 707, 721, 861, 1414, 1442, 1722, 2121, 2163, 4141, 4223, 4242, 4326, 8282, 8446, 10403, 12423, 12669, 20806, 24846, 25338, 28987, 29561, 31209, 57974, 59122, 62418, 72821, 86961, 88683, 145642, 173922, 177366, 218463, 426523, 436926, 853046, 1279569, 2559138, 2985661, 5971322, 8956983, 17913966]

約数ペア:

[(1, 17913966), (2, 8956983), (3, 5971322), (6, 2985661), (7, 2559138), (14, 1279569), (21, 853046), (41, 436926), (42, 426523), (82, 218463), (101, 177366), (103, 173922), (123, 145642), (202, 88683), (206, 86961), (246, 72821), (287, 62418), (303, 59122), (309, 57974), (574, 31209), (606, 29561), (618, 28987), (707, 25338), (721, 24846), (861, 20806), (1414, 12669), (1442, 12423), (1722, 10403), (2121, 8446), (2163, 8282), (4141, 4326), (4223, 4242)]