18811488

素因数分解:

$2^5\times 3^1\times {\mathrm{29}}^2\times {\mathrm{233}}^1$

素因数の和:304

約数の個数: 72

約数和(自身を含む): 51361128

約数和(自身を除く): 32549640

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 32, 48, 58, 87, 96, 116, 174, 232, 233, 348, 464, 466, 696, 699, 841, 928, 932, 1392, 1398, 1682, 1864, 2523, 2784, 2796, 3364, 3728, 5046, 5592, 6728, 6757, 7456, 10092, 11184, 13456, 13514, 20184, 20271, 22368, 26912, 27028, 40368, 40542, 54056, 80736, 81084, 108112, 162168, 195953, 216224, 324336, 391906, 587859, 648672, 783812, 1175718, 1567624, 2351436, 3135248, 4702872, 6270496, 9405744, 18811488]

約数ペア:

[(1, 18811488), (2, 9405744), (3, 6270496), (4, 4702872), (6, 3135248), (8, 2351436), (12, 1567624), (16, 1175718), (24, 783812), (29, 648672), (32, 587859), (48, 391906), (58, 324336), (87, 216224), (96, 195953), (116, 162168), (174, 108112), (232, 81084), (233, 80736), (348, 54056), (464, 40542), (466, 40368), (696, 27028), (699, 26912), (841, 22368), (928, 20271), (932, 20184), (1392, 13514), (1398, 13456), (1682, 11184), (1864, 10092), (2523, 7456), (2784, 6757), (2796, 6728), (3364, 5592), (3728, 5046)]