18981952

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{457}}^1$

素因数の和:539

約数の個数: 56

約数和(自身を含む): 41879520

約数和(自身を除く): 22897568

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 59, 64, 88, 118, 176, 236, 352, 457, 472, 649, 704, 914, 944, 1298, 1828, 1888, 2596, 3656, 3776, 5027, 5192, 7312, 10054, 10384, 14624, 20108, 20768, 26963, 29248, 40216, 41536, 53926, 80432, 107852, 160864, 215704, 296593, 321728, 431408, 593186, 862816, 1186372, 1725632, 2372744, 4745488, 9490976, 18981952]

約数ペア:

[(1, 18981952), (2, 9490976), (4, 4745488), (8, 2372744), (11, 1725632), (16, 1186372), (22, 862816), (32, 593186), (44, 431408), (59, 321728), (64, 296593), (88, 215704), (118, 160864), (176, 107852), (236, 80432), (352, 53926), (457, 41536), (472, 40216), (649, 29248), (704, 26963), (914, 20768), (944, 20108), (1298, 14624), (1828, 10384), (1888, 10054), (2596, 7312), (3656, 5192), (3776, 5027)]