18700812

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1289}}^1$

素因数の和:1343

約数の個数: 72

約数和(自身を含む): 52590720

約数和(自身を除く): 33889908

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 31, 36, 39, 52, 62, 78, 93, 117, 124, 156, 186, 234, 279, 372, 403, 468, 558, 806, 1116, 1209, 1289, 1612, 2418, 2578, 3627, 3867, 4836, 5156, 7254, 7734, 11601, 14508, 15468, 16757, 23202, 33514, 39959, 46404, 50271, 67028, 79918, 100542, 119877, 150813, 159836, 201084, 239754, 301626, 359631, 479508, 519467, 603252, 719262, 1038934, 1438524, 1558401, 2077868, 3116802, 4675203, 6233604, 9350406, 18700812]

約数ペア:

[(1, 18700812), (2, 9350406), (3, 6233604), (4, 4675203), (6, 3116802), (9, 2077868), (12, 1558401), (13, 1438524), (18, 1038934), (26, 719262), (31, 603252), (36, 519467), (39, 479508), (52, 359631), (62, 301626), (78, 239754), (93, 201084), (117, 159836), (124, 150813), (156, 119877), (186, 100542), (234, 79918), (279, 67028), (372, 50271), (403, 46404), (468, 39959), (558, 33514), (806, 23202), (1116, 16757), (1209, 15468), (1289, 14508), (1612, 11601), (2418, 7734), (2578, 7254), (3627, 5156), (3867, 4836)]