18489936

素因数分解:

$2^4\times 3^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{359}}^1$

素因数の和:436

約数の個数: 80

約数和(自身を含む): 50889600

約数和(自身を除く): 32399664

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 37, 48, 58, 74, 87, 111, 116, 148, 174, 222, 232, 296, 348, 359, 444, 464, 592, 696, 718, 888, 1073, 1077, 1392, 1436, 1776, 2146, 2154, 2872, 3219, 4292, 4308, 5744, 6438, 8584, 8616, 10411, 12876, 13283, 17168, 17232, 20822, 25752, 26566, 31233, 39849, 41644, 51504, 53132, 62466, 79698, 83288, 106264, 124932, 159396, 166576, 212528, 249864, 318792, 385207, 499728, 637584, 770414, 1155621, 1540828, 2311242, 3081656, 4622484, 6163312, 9244968, 18489936]

約数ペア:

[(1, 18489936), (2, 9244968), (3, 6163312), (4, 4622484), (6, 3081656), (8, 2311242), (12, 1540828), (16, 1155621), (24, 770414), (29, 637584), (37, 499728), (48, 385207), (58, 318792), (74, 249864), (87, 212528), (111, 166576), (116, 159396), (148, 124932), (174, 106264), (222, 83288), (232, 79698), (296, 62466), (348, 53132), (359, 51504), (444, 41644), (464, 39849), (592, 31233), (696, 26566), (718, 25752), (888, 20822), (1073, 17232), (1077, 17168), (1392, 13283), (1436, 12876), (1776, 10411), (2146, 8616), (2154, 8584), (2872, 6438), (3219, 5744), (4292, 4308)]