19121480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1453}}^1$

素因数の和:1518

約数の個数: 64

約数和(自身を含む): 50250240

約数和(自身を除く): 31128760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 47, 56, 70, 94, 140, 188, 235, 280, 329, 376, 470, 658, 940, 1316, 1453, 1645, 1880, 2632, 2906, 3290, 5812, 6580, 7265, 10171, 11624, 13160, 14530, 20342, 29060, 40684, 50855, 58120, 68291, 81368, 101710, 136582, 203420, 273164, 341455, 406840, 478037, 546328, 682910, 956074, 1365820, 1912148, 2390185, 2731640, 3824296, 4780370, 9560740, 19121480]

約数ペア:

[(1, 19121480), (2, 9560740), (4, 4780370), (5, 3824296), (7, 2731640), (8, 2390185), (10, 1912148), (14, 1365820), (20, 956074), (28, 682910), (35, 546328), (40, 478037), (47, 406840), (56, 341455), (70, 273164), (94, 203420), (140, 136582), (188, 101710), (235, 81368), (280, 68291), (329, 58120), (376, 50855), (470, 40684), (658, 29060), (940, 20342), (1316, 14530), (1453, 13160), (1645, 11624), (1880, 10171), (2632, 7265), (2906, 6580), (3290, 5812)]