18868674

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{251}}^1$

素因数の和:351

約数の個数: 64

約数和(自身を含む): 44416512

約数和(自身を除く): 25547838

約数列:

[1, 2, 3, 6, 11, 17, 22, 33, 34, 51, 66, 67, 102, 134, 187, 201, 251, 374, 402, 502, 561, 737, 753, 1122, 1139, 1474, 1506, 2211, 2278, 2761, 3417, 4267, 4422, 5522, 6834, 8283, 8534, 12529, 12801, 16566, 16817, 25058, 25602, 33634, 37587, 46937, 50451, 75174, 93874, 100902, 140811, 184987, 281622, 285889, 369974, 554961, 571778, 857667, 1109922, 1715334, 3144779, 6289558, 9434337, 18868674]

約数ペア:

[(1, 18868674), (2, 9434337), (3, 6289558), (6, 3144779), (11, 1715334), (17, 1109922), (22, 857667), (33, 571778), (34, 554961), (51, 369974), (66, 285889), (67, 281622), (102, 184987), (134, 140811), (187, 100902), (201, 93874), (251, 75174), (374, 50451), (402, 46937), (502, 37587), (561, 33634), (737, 25602), (753, 25058), (1122, 16817), (1139, 16566), (1474, 12801), (1506, 12529), (2211, 8534), (2278, 8283), (2761, 6834), (3417, 5522), (4267, 4422)]