18519462

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:115

約数の個数: 128

約数和(自身を含む): 49029120

約数和(自身を除く): 30509658

約数列:

[1, 2, 3, 6, 9, 13, 18, 23, 26, 27, 31, 37, 39, 46, 54, 62, 69, 74, 78, 93, 111, 117, 138, 186, 207, 222, 234, 279, 299, 333, 351, 403, 414, 481, 558, 598, 621, 666, 702, 713, 806, 837, 851, 897, 962, 999, 1147, 1209, 1242, 1426, 1443, 1674, 1702, 1794, 1998, 2139, 2294, 2418, 2553, 2691, 2886, 3441, 3627, 4278, 4329, 5106, 5382, 6417, 6882, 7254, 7659, 8073, 8658, 9269, 10323, 10881, 11063, 12834, 12987, 14911, 15318, 16146, 18538, 19251, 20646, 21762, 22126, 22977, 25974, 26381, 27807, 29822, 30969, 33189, 38502, 44733, 45954, 52762, 55614, 61938, 66378, 79143, 83421, 89466, 99567, 134199, 158286, 166842, 199134, 237429, 250263, 268398, 298701, 342953, 402597, 474858, 500526, 597402, 685906, 712287, 805194, 1028859, 1424574, 2057718, 3086577, 6173154, 9259731, 18519462]

約数ペア:

[(1, 18519462), (2, 9259731), (3, 6173154), (6, 3086577), (9, 2057718), (13, 1424574), (18, 1028859), (23, 805194), (26, 712287), (27, 685906), (31, 597402), (37, 500526), (39, 474858), (46, 402597), (54, 342953), (62, 298701), (69, 268398), (74, 250263), (78, 237429), (93, 199134), (111, 166842), (117, 158286), (138, 134199), (186, 99567), (207, 89466), (222, 83421), (234, 79143), (279, 66378), (299, 61938), (333, 55614), (351, 52762), (403, 45954), (414, 44733), (481, 38502), (558, 33189), (598, 30969), (621, 29822), (666, 27807), (702, 26381), (713, 25974), (806, 22977), (837, 22126), (851, 21762), (897, 20646), (962, 19251), (999, 18538), (1147, 16146), (1209, 15318), (1242, 14911), (1426, 12987), (1443, 12834), (1674, 11063), (1702, 10881), (1794, 10323), (1998, 9269), (2139, 8658), (2294, 8073), (2418, 7659), (2553, 7254), (2691, 6882), (2886, 6417), (3441, 5382), (3627, 5106), (4278, 4329)]