18611868

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1$

素因数の和:259

約数の個数: 96

約数和(自身を含む): 51367680

約数和(自身を除く): 32755812

約数列:

[1, 2, 3, 4, 6, 11, 12, 19, 22, 33, 38, 41, 44, 57, 66, 76, 82, 114, 123, 132, 164, 181, 209, 228, 246, 362, 418, 451, 492, 543, 627, 724, 779, 836, 902, 1086, 1254, 1353, 1558, 1804, 1991, 2172, 2337, 2508, 2706, 3116, 3439, 3982, 4674, 5412, 5973, 6878, 7421, 7964, 8569, 9348, 10317, 11946, 13756, 14842, 17138, 20634, 22263, 23892, 25707, 29684, 34276, 37829, 41268, 44526, 51414, 75658, 81631, 89052, 102828, 113487, 140999, 151316, 163262, 226974, 244893, 281998, 326524, 422997, 453948, 489786, 563996, 845994, 979572, 1550989, 1691988, 3101978, 4652967, 6203956, 9305934, 18611868]

約数ペア:

[(1, 18611868), (2, 9305934), (3, 6203956), (4, 4652967), (6, 3101978), (11, 1691988), (12, 1550989), (19, 979572), (22, 845994), (33, 563996), (38, 489786), (41, 453948), (44, 422997), (57, 326524), (66, 281998), (76, 244893), (82, 226974), (114, 163262), (123, 151316), (132, 140999), (164, 113487), (181, 102828), (209, 89052), (228, 81631), (246, 75658), (362, 51414), (418, 44526), (451, 41268), (492, 37829), (543, 34276), (627, 29684), (724, 25707), (779, 23892), (836, 22263), (902, 20634), (1086, 17138), (1254, 14842), (1353, 13756), (1558, 11946), (1804, 10317), (1991, 9348), (2172, 8569), (2337, 7964), (2508, 7421), (2706, 6878), (3116, 5973), (3439, 5412), (3982, 4674)]