19511470

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1993}}^1$

素因数の和:2100

約数の個数: 32

約数和(自身を含む): 38763360

約数和(自身を除く): 19251890

約数列:

[1, 2, 5, 10, 11, 22, 55, 89, 110, 178, 445, 890, 979, 1958, 1993, 3986, 4895, 9790, 9965, 19930, 21923, 43846, 109615, 177377, 219230, 354754, 886885, 1773770, 1951147, 3902294, 9755735, 19511470]

約数ペア:

[(1, 19511470), (2, 9755735), (5, 3902294), (10, 1951147), (11, 1773770), (22, 886885), (55, 354754), (89, 219230), (110, 177377), (178, 109615), (445, 43846), (890, 21923), (979, 19930), (1958, 9965), (1993, 9790), (3986, 4895)]