19731740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{1453}}^1$

素因数の和:1566

約数の個数: 48

約数和(自身を含む): 47877312

約数和(自身を除く): 28145572

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 97, 140, 194, 388, 485, 679, 970, 1358, 1453, 1940, 2716, 2906, 3395, 5812, 6790, 7265, 10171, 13580, 14530, 20342, 29060, 40684, 50855, 101710, 140941, 203420, 281882, 563764, 704705, 986587, 1409410, 1973174, 2818820, 3946348, 4932935, 9865870, 19731740]

約数ペア:

[(1, 19731740), (2, 9865870), (4, 4932935), (5, 3946348), (7, 2818820), (10, 1973174), (14, 1409410), (20, 986587), (28, 704705), (35, 563764), (70, 281882), (97, 203420), (140, 140941), (194, 101710), (388, 50855), (485, 40684), (679, 29060), (970, 20342), (1358, 14530), (1453, 13580), (1940, 10171), (2716, 7265), (2906, 6790), (3395, 5812)]