18295288

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1$

素因数の和:220

約数の個数: 64

約数和(自身を含む): 39657600

約数和(自身を除く): 21362312

約数列:

[1, 2, 4, 8, 11, 22, 29, 44, 58, 67, 88, 107, 116, 134, 214, 232, 268, 319, 428, 536, 638, 737, 856, 1177, 1276, 1474, 1943, 2354, 2552, 2948, 3103, 3886, 4708, 5896, 6206, 7169, 7772, 9416, 12412, 14338, 15544, 21373, 24824, 28676, 34133, 42746, 57352, 68266, 78859, 85492, 136532, 157718, 170984, 207901, 273064, 315436, 415802, 630872, 831604, 1663208, 2286911, 4573822, 9147644, 18295288]

約数ペア:

[(1, 18295288), (2, 9147644), (4, 4573822), (8, 2286911), (11, 1663208), (22, 831604), (29, 630872), (44, 415802), (58, 315436), (67, 273064), (88, 207901), (107, 170984), (116, 157718), (134, 136532), (214, 85492), (232, 78859), (268, 68266), (319, 57352), (428, 42746), (536, 34133), (638, 28676), (737, 24824), (856, 21373), (1177, 15544), (1276, 14338), (1474, 12412), (1943, 9416), (2354, 7772), (2552, 7169), (2948, 6206), (3103, 5896), (3886, 4708)]