19426208

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{359}}^1$

素因数の和:477

約数の個数: 48

約数和(自身を含む): 40824000

約数和(自身を除く): 21397792

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 89, 152, 178, 304, 356, 359, 608, 712, 718, 1424, 1436, 1691, 2848, 2872, 3382, 5744, 6764, 6821, 11488, 13528, 13642, 27056, 27284, 31951, 54112, 54568, 63902, 109136, 127804, 218272, 255608, 511216, 607069, 1022432, 1214138, 2428276, 4856552, 9713104, 19426208]

約数ペア:

[(1, 19426208), (2, 9713104), (4, 4856552), (8, 2428276), (16, 1214138), (19, 1022432), (32, 607069), (38, 511216), (76, 255608), (89, 218272), (152, 127804), (178, 109136), (304, 63902), (356, 54568), (359, 54112), (608, 31951), (712, 27284), (718, 27056), (1424, 13642), (1436, 13528), (1691, 11488), (2848, 6821), (2872, 6764), (3382, 5744)]