18380516

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{719}}^1$

素因数の和:824

約数の個数: 48

約数和(自身を含む): 40642560

約数和(自身を除く): 22262044

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 83, 154, 166, 308, 332, 581, 719, 913, 1162, 1438, 1826, 2324, 2876, 3652, 5033, 6391, 7909, 10066, 12782, 15818, 20132, 25564, 31636, 55363, 59677, 110726, 119354, 221452, 238708, 417739, 656447, 835478, 1312894, 1670956, 2625788, 4595129, 9190258, 18380516]

約数ペア:

[(1, 18380516), (2, 9190258), (4, 4595129), (7, 2625788), (11, 1670956), (14, 1312894), (22, 835478), (28, 656447), (44, 417739), (77, 238708), (83, 221452), (154, 119354), (166, 110726), (308, 59677), (332, 55363), (581, 31636), (719, 25564), (913, 20132), (1162, 15818), (1438, 12782), (1826, 10066), (2324, 7909), (2876, 6391), (3652, 5033)]