18722904

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^2\times {\mathrm{2161}}^1$

素因数の和:2208

約数の個数: 48

約数和(自身を含む): 49423320

約数和(自身を除く): 30700416

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 76, 114, 152, 228, 361, 456, 722, 1083, 1444, 2161, 2166, 2888, 4322, 4332, 6483, 8644, 8664, 12966, 17288, 25932, 41059, 51864, 82118, 123177, 164236, 246354, 328472, 492708, 780121, 985416, 1560242, 2340363, 3120484, 4680726, 6240968, 9361452, 18722904]

約数ペア:

[(1, 18722904), (2, 9361452), (3, 6240968), (4, 4680726), (6, 3120484), (8, 2340363), (12, 1560242), (19, 985416), (24, 780121), (38, 492708), (57, 328472), (76, 246354), (114, 164236), (152, 123177), (228, 82118), (361, 51864), (456, 41059), (722, 25932), (1083, 17288), (1444, 12966), (2161, 8664), (2166, 8644), (2888, 6483), (4322, 4332)]