19712924

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{2207}}^1$

素因数の和:2258

約数の個数: 48

約数和(自身を含む): 44513280

約数和(自身を除く): 24800356

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 29, 44, 58, 77, 116, 154, 203, 308, 319, 406, 638, 812, 1276, 2207, 2233, 4414, 4466, 8828, 8932, 15449, 24277, 30898, 48554, 61796, 64003, 97108, 128006, 169939, 256012, 339878, 448021, 679756, 704033, 896042, 1408066, 1792084, 2816132, 4928231, 9856462, 19712924]

約数ペア:

[(1, 19712924), (2, 9856462), (4, 4928231), (7, 2816132), (11, 1792084), (14, 1408066), (22, 896042), (28, 704033), (29, 679756), (44, 448021), (58, 339878), (77, 256012), (116, 169939), (154, 128006), (203, 97108), (308, 64003), (319, 61796), (406, 48554), (638, 30898), (812, 24277), (1276, 15449), (2207, 8932), (2233, 8828), (4414, 4466)]