19924240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{757}}^1$

素因数の和:824

約数の個数: 80

約数和(自身を含む): 54139392

約数和(自身を除く): 34215152

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 47, 56, 70, 80, 94, 112, 140, 188, 235, 280, 329, 376, 470, 560, 658, 752, 757, 940, 1316, 1514, 1645, 1880, 2632, 3028, 3290, 3760, 3785, 5264, 5299, 6056, 6580, 7570, 10598, 12112, 13160, 15140, 21196, 26320, 26495, 30280, 35579, 42392, 52990, 60560, 71158, 84784, 105980, 142316, 177895, 211960, 249053, 284632, 355790, 423920, 498106, 569264, 711580, 996212, 1245265, 1423160, 1992424, 2490530, 2846320, 3984848, 4981060, 9962120, 19924240]

約数ペア:

[(1, 19924240), (2, 9962120), (4, 4981060), (5, 3984848), (7, 2846320), (8, 2490530), (10, 1992424), (14, 1423160), (16, 1245265), (20, 996212), (28, 711580), (35, 569264), (40, 498106), (47, 423920), (56, 355790), (70, 284632), (80, 249053), (94, 211960), (112, 177895), (140, 142316), (188, 105980), (235, 84784), (280, 71158), (329, 60560), (376, 52990), (470, 42392), (560, 35579), (658, 30280), (752, 26495), (757, 26320), (940, 21196), (1316, 15140), (1514, 13160), (1645, 12112), (1880, 10598), (2632, 7570), (3028, 6580), (3290, 6056), (3760, 5299), (3785, 5264)]