18716522

素因数分解:

$2^1\times {\mathrm{11}}^3\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:203

約数の個数: 32

約数和(自身を含む): 31622400

約数和(自身を除く): 12905878

約数列:

[1, 2, 11, 22, 79, 89, 121, 158, 178, 242, 869, 979, 1331, 1738, 1958, 2662, 7031, 9559, 10769, 14062, 19118, 21538, 77341, 105149, 118459, 154682, 210298, 236918, 850751, 1701502, 9358261, 18716522]

約数ペア:

[(1, 18716522), (2, 9358261), (11, 1701502), (22, 850751), (79, 236918), (89, 210298), (121, 154682), (158, 118459), (178, 105149), (242, 77341), (869, 21538), (979, 19118), (1331, 14062), (1738, 10769), (1958, 9559), (2662, 7031)]