19874512

素因数分解:

$2^4\times 7^1\times {\mathrm{29}}^2\times {\mathrm{211}}^1$

素因数の和:284

約数の個数: 60

約数和(自身を含む): 45793696

約数和(自身を除く): 25919184

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 56, 58, 112, 116, 203, 211, 232, 406, 422, 464, 812, 841, 844, 1477, 1624, 1682, 1688, 2954, 3248, 3364, 3376, 5887, 5908, 6119, 6728, 11774, 11816, 12238, 13456, 23548, 23632, 24476, 42833, 47096, 48952, 85666, 94192, 97904, 171332, 177451, 342664, 354902, 685328, 709804, 1242157, 1419608, 2484314, 2839216, 4968628, 9937256, 19874512]

約数ペア:

[(1, 19874512), (2, 9937256), (4, 4968628), (7, 2839216), (8, 2484314), (14, 1419608), (16, 1242157), (28, 709804), (29, 685328), (56, 354902), (58, 342664), (112, 177451), (116, 171332), (203, 97904), (211, 94192), (232, 85666), (406, 48952), (422, 47096), (464, 42833), (812, 24476), (841, 23632), (844, 23548), (1477, 13456), (1624, 12238), (1682, 11816), (1688, 11774), (2954, 6728), (3248, 6119), (3364, 5908), (3376, 5887)]