18765472

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{599}}^1$

素因数の和:709

約数の個数: 48

約数和(自身を含む): 40824000

約数和(自身を除く): 22058528

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 89, 176, 178, 352, 356, 599, 712, 979, 1198, 1424, 1958, 2396, 2848, 3916, 4792, 6589, 7832, 9584, 13178, 15664, 19168, 26356, 31328, 52712, 53311, 105424, 106622, 210848, 213244, 426488, 586421, 852976, 1172842, 1705952, 2345684, 4691368, 9382736, 18765472]

約数ペア:

[(1, 18765472), (2, 9382736), (4, 4691368), (8, 2345684), (11, 1705952), (16, 1172842), (22, 852976), (32, 586421), (44, 426488), (88, 213244), (89, 210848), (176, 106622), (178, 105424), (352, 53311), (356, 52712), (599, 31328), (712, 26356), (979, 19168), (1198, 15664), (1424, 13178), (1958, 9584), (2396, 7832), (2848, 6589), (3916, 4792)]