39918890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{21347}}^1$

素因数の和:21382

約数の個数: 32

約数和(自身を含む): 83001024

約数和(自身を除く): 43082134

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 110, 170, 187, 374, 935, 1870, 21347, 42694, 106735, 213470, 234817, 362899, 469634, 725798, 1174085, 1814495, 2348170, 3628990, 3991889, 7983778, 19959445, 39918890]

約数ペア:

[(1, 39918890), (2, 19959445), (5, 7983778), (10, 3991889), (11, 3628990), (17, 2348170), (22, 1814495), (34, 1174085), (55, 725798), (85, 469634), (110, 362899), (170, 234817), (187, 213470), (374, 106735), (935, 42694), (1870, 21347)]