18397728

素因数分解:

$2^5\times 3^2\times {\mathrm{127}}^1\times {\mathrm{503}}^1$

素因数の和:646

約数の個数: 72

約数和(自身を含む): 52835328

約数和(自身を除く): 34437600

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 127, 144, 254, 288, 381, 503, 508, 762, 1006, 1016, 1143, 1509, 1524, 2012, 2032, 2286, 3018, 3048, 4024, 4064, 4527, 4572, 6036, 6096, 8048, 9054, 9144, 12072, 12192, 16096, 18108, 18288, 24144, 36216, 36576, 48288, 63881, 72432, 127762, 144864, 191643, 255524, 383286, 511048, 574929, 766572, 1022096, 1149858, 1533144, 2044192, 2299716, 3066288, 4599432, 6132576, 9198864, 18397728]

約数ペア:

[(1, 18397728), (2, 9198864), (3, 6132576), (4, 4599432), (6, 3066288), (8, 2299716), (9, 2044192), (12, 1533144), (16, 1149858), (18, 1022096), (24, 766572), (32, 574929), (36, 511048), (48, 383286), (72, 255524), (96, 191643), (127, 144864), (144, 127762), (254, 72432), (288, 63881), (381, 48288), (503, 36576), (508, 36216), (762, 24144), (1006, 18288), (1016, 18108), (1143, 16096), (1509, 12192), (1524, 12072), (2012, 9144), (2032, 9054), (2286, 8048), (3018, 6096), (3048, 6036), (4024, 4572), (4064, 4527)]