19814792

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{2749}}^1$

素因数の和:2825

約数の個数: 32

約数和(自身を含む): 40095000

約数和(自身を除く): 20280208

約数列:

[1, 2, 4, 8, 17, 34, 53, 68, 106, 136, 212, 424, 901, 1802, 2749, 3604, 5498, 7208, 10996, 21992, 46733, 93466, 145697, 186932, 291394, 373864, 582788, 1165576, 2476849, 4953698, 9907396, 19814792]

約数ペア:

[(1, 19814792), (2, 9907396), (4, 4953698), (8, 2476849), (17, 1165576), (34, 582788), (53, 373864), (68, 291394), (106, 186932), (136, 145697), (212, 93466), (424, 46733), (901, 21992), (1802, 10996), (2749, 7208), (3604, 5498)]