18794552

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:276

約数の個数: 64

約数和(自身を含む): 42508800

約数和(自身を除く): 23714248

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 56, 58, 71, 116, 142, 163, 203, 232, 284, 326, 406, 497, 568, 652, 812, 994, 1141, 1304, 1624, 1988, 2059, 2282, 3976, 4118, 4564, 4727, 8236, 9128, 9454, 11573, 14413, 16472, 18908, 23146, 28826, 33089, 37816, 46292, 57652, 66178, 81011, 92584, 115304, 132356, 162022, 264712, 324044, 335617, 648088, 671234, 1342468, 2349319, 2684936, 4698638, 9397276, 18794552]

約数ペア:

[(1, 18794552), (2, 9397276), (4, 4698638), (7, 2684936), (8, 2349319), (14, 1342468), (28, 671234), (29, 648088), (56, 335617), (58, 324044), (71, 264712), (116, 162022), (142, 132356), (163, 115304), (203, 92584), (232, 81011), (284, 66178), (326, 57652), (406, 46292), (497, 37816), (568, 33089), (652, 28826), (812, 23146), (994, 18908), (1141, 16472), (1304, 14413), (1624, 11573), (1988, 9454), (2059, 9128), (2282, 8236), (3976, 4727), (4118, 4564)]