18040386

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:128

約数の個数: 128

約数和(自身を含む): 49029120

約数和(自身を除く): 30988734

約数列:

[1, 2, 3, 6, 7, 13, 14, 19, 21, 26, 37, 38, 39, 42, 47, 57, 74, 78, 91, 94, 111, 114, 133, 141, 182, 222, 247, 259, 266, 273, 282, 329, 399, 481, 494, 518, 546, 611, 658, 703, 741, 777, 798, 893, 962, 987, 1222, 1406, 1443, 1482, 1554, 1729, 1739, 1786, 1833, 1974, 2109, 2679, 2886, 3367, 3458, 3478, 3666, 4218, 4277, 4921, 5187, 5217, 5358, 6251, 6734, 8554, 9139, 9842, 10101, 10374, 10434, 11609, 12173, 12502, 12831, 14763, 18278, 18753, 20202, 22607, 23218, 24346, 25662, 27417, 29526, 33041, 34827, 36519, 37506, 45214, 54834, 63973, 66082, 67821, 69654, 73038, 81263, 99123, 127946, 135642, 158249, 162526, 191919, 198246, 231287, 243789, 316498, 383838, 429533, 462574, 474747, 487578, 693861, 859066, 949494, 1288599, 1387722, 2577198, 3006731, 6013462, 9020193, 18040386]

約数ペア:

[(1, 18040386), (2, 9020193), (3, 6013462), (6, 3006731), (7, 2577198), (13, 1387722), (14, 1288599), (19, 949494), (21, 859066), (26, 693861), (37, 487578), (38, 474747), (39, 462574), (42, 429533), (47, 383838), (57, 316498), (74, 243789), (78, 231287), (91, 198246), (94, 191919), (111, 162526), (114, 158249), (133, 135642), (141, 127946), (182, 99123), (222, 81263), (247, 73038), (259, 69654), (266, 67821), (273, 66082), (282, 63973), (329, 54834), (399, 45214), (481, 37506), (494, 36519), (518, 34827), (546, 33041), (611, 29526), (658, 27417), (703, 25662), (741, 24346), (777, 23218), (798, 22607), (893, 20202), (962, 18753), (987, 18278), (1222, 14763), (1406, 12831), (1443, 12502), (1482, 12173), (1554, 11609), (1729, 10434), (1739, 10374), (1786, 10101), (1833, 9842), (1974, 9139), (2109, 8554), (2679, 6734), (2886, 6251), (3367, 5358), (3458, 5217), (3478, 5187), (3666, 4921), (4218, 4277)]