19877592

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{661}}^1$

素因数の和:856

約数の個数: 64

約数和(自身を含む): 57196800

約数和(自身を除く): 37319208

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 179, 358, 537, 661, 716, 1074, 1253, 1322, 1432, 1983, 2148, 2506, 2644, 3759, 3966, 4296, 4627, 5012, 5288, 7518, 7932, 9254, 10024, 13881, 15036, 15864, 18508, 27762, 30072, 37016, 55524, 111048, 118319, 236638, 354957, 473276, 709914, 828233, 946552, 1419828, 1656466, 2484699, 2839656, 3312932, 4969398, 6625864, 9938796, 19877592]

約数ペア:

[(1, 19877592), (2, 9938796), (3, 6625864), (4, 4969398), (6, 3312932), (7, 2839656), (8, 2484699), (12, 1656466), (14, 1419828), (21, 946552), (24, 828233), (28, 709914), (42, 473276), (56, 354957), (84, 236638), (168, 118319), (179, 111048), (358, 55524), (537, 37016), (661, 30072), (716, 27762), (1074, 18508), (1253, 15864), (1322, 15036), (1432, 13881), (1983, 10024), (2148, 9254), (2506, 7932), (2644, 7518), (3759, 5288), (3966, 5012), (4296, 4627)]