19512790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{991}}^1$

素因数の和:1188

約数の個数: 32

約数和(自身を含む): 38568960

約数和(自身を除く): 19056170

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 179, 358, 895, 991, 1790, 1969, 1982, 3938, 4955, 9845, 9910, 10901, 19690, 21802, 54505, 109010, 177389, 354778, 886945, 1773890, 1951279, 3902558, 9756395, 19512790]

約数ペア:

[(1, 19512790), (2, 9756395), (5, 3902558), (10, 1951279), (11, 1773890), (22, 886945), (55, 354778), (110, 177389), (179, 109010), (358, 54505), (895, 21802), (991, 19690), (1790, 10901), (1969, 9910), (1982, 9845), (3938, 4955)]