18102028

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{173}}^1$

素因数の和:322

約数の個数: 48

約数和(自身を含む): 37767744

約数和(自身を除く): 19665716

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 101, 148, 173, 202, 259, 346, 404, 518, 692, 707, 1036, 1211, 1414, 2422, 2828, 3737, 4844, 6401, 7474, 12802, 14948, 17473, 25604, 26159, 34946, 44807, 52318, 69892, 89614, 104636, 122311, 179228, 244622, 489244, 646501, 1293002, 2586004, 4525507, 9051014, 18102028]

約数ペア:

[(1, 18102028), (2, 9051014), (4, 4525507), (7, 2586004), (14, 1293002), (28, 646501), (37, 489244), (74, 244622), (101, 179228), (148, 122311), (173, 104636), (202, 89614), (259, 69892), (346, 52318), (404, 44807), (518, 34946), (692, 26159), (707, 25604), (1036, 17473), (1211, 14948), (1414, 12802), (2422, 7474), (2828, 6401), (3737, 4844)]