18591272

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{173}}^1$

素因数の和:306

約数の個数: 64

約数和(自身を含む): 42595200

約数和(自身を除く): 24003928

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 101, 133, 152, 173, 202, 266, 346, 404, 532, 692, 707, 808, 1064, 1211, 1384, 1414, 1919, 2422, 2828, 3287, 3838, 4844, 5656, 6574, 7676, 9688, 13148, 13433, 15352, 17473, 23009, 26296, 26866, 34946, 46018, 53732, 69892, 92036, 107464, 122311, 139784, 184072, 244622, 331987, 489244, 663974, 978488, 1327948, 2323909, 2655896, 4647818, 9295636, 18591272]

約数ペア:

[(1, 18591272), (2, 9295636), (4, 4647818), (7, 2655896), (8, 2323909), (14, 1327948), (19, 978488), (28, 663974), (38, 489244), (56, 331987), (76, 244622), (101, 184072), (133, 139784), (152, 122311), (173, 107464), (202, 92036), (266, 69892), (346, 53732), (404, 46018), (532, 34946), (692, 26866), (707, 26296), (808, 23009), (1064, 17473), (1211, 15352), (1384, 13433), (1414, 13148), (1919, 9688), (2422, 7676), (2828, 6574), (3287, 5656), (3838, 4844)]