19643288

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{151}}^1$

素因数の和:288

約数の個数: 64

約数和(自身を含む): 44651520

約数和(自身を除く): 25008232

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 101, 151, 161, 184, 202, 302, 322, 404, 604, 644, 707, 808, 1057, 1208, 1288, 1414, 2114, 2323, 2828, 3473, 4228, 4646, 5656, 6946, 8456, 9292, 13892, 15251, 16261, 18584, 24311, 27784, 30502, 32522, 48622, 61004, 65044, 97244, 106757, 122008, 130088, 194488, 213514, 350773, 427028, 701546, 854056, 1403092, 2455411, 2806184, 4910822, 9821644, 19643288]

約数ペア:

[(1, 19643288), (2, 9821644), (4, 4910822), (7, 2806184), (8, 2455411), (14, 1403092), (23, 854056), (28, 701546), (46, 427028), (56, 350773), (92, 213514), (101, 194488), (151, 130088), (161, 122008), (184, 106757), (202, 97244), (302, 65044), (322, 61004), (404, 48622), (604, 32522), (644, 30502), (707, 27784), (808, 24311), (1057, 18584), (1208, 16261), (1288, 15251), (1414, 13892), (2114, 9292), (2323, 8456), (2828, 6946), (3473, 5656), (4228, 4646)]