19519478

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{79}}^1\times {\mathrm{1021}}^1$

素因数の和:1124

約数の個数: 24

約数和(自身を含む): 32622240

約数和(自身を除く): 13102762

約数列:

[1, 2, 11, 22, 79, 121, 158, 242, 869, 1021, 1738, 2042, 9559, 11231, 19118, 22462, 80659, 123541, 161318, 247082, 887249, 1774498, 9759739, 19519478]

約数ペア:

[(1, 19519478), (2, 9759739), (11, 1774498), (22, 887249), (79, 247082), (121, 161318), (158, 123541), (242, 80659), (869, 22462), (1021, 19118), (1738, 11231), (2042, 9559)]