18680552

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{12487}}^1$

素因数の和:12521

約数の個数: 32

約数和(自身を含む): 40461120

約数和(自身を除く): 21780568

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 68, 88, 136, 187, 374, 748, 1496, 12487, 24974, 49948, 99896, 137357, 212279, 274714, 424558, 549428, 849116, 1098856, 1698232, 2335069, 4670138, 9340276, 18680552]

約数ペア:

[(1, 18680552), (2, 9340276), (4, 4670138), (8, 2335069), (11, 1698232), (17, 1098856), (22, 849116), (34, 549428), (44, 424558), (68, 274714), (88, 212279), (136, 137357), (187, 99896), (374, 49948), (748, 24974), (1496, 12487)]