18131628

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{421}}^1$

素因数の和:562

約数の個数: 48

約数和(自身を含む): 44002784

約数和(自身を除く): 25871156

約数列:

[1, 2, 3, 4, 6, 12, 37, 74, 97, 111, 148, 194, 222, 291, 388, 421, 444, 582, 842, 1164, 1263, 1684, 2526, 3589, 5052, 7178, 10767, 14356, 15577, 21534, 31154, 40837, 43068, 46731, 62308, 81674, 93462, 122511, 163348, 186924, 245022, 490044, 1510969, 3021938, 4532907, 6043876, 9065814, 18131628]

約数ペア:

[(1, 18131628), (2, 9065814), (3, 6043876), (4, 4532907), (6, 3021938), (12, 1510969), (37, 490044), (74, 245022), (97, 186924), (111, 163348), (148, 122511), (194, 93462), (222, 81674), (291, 62308), (388, 46731), (421, 43068), (444, 40837), (582, 31154), (842, 21534), (1164, 15577), (1263, 14356), (1684, 10767), (2526, 7178), (3589, 5052)]