18132738

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:219

約数の個数: 64

約数和(自身を含む): 41164032

約数和(自身を除く): 23031294

約数列:

[1, 2, 3, 6, 13, 26, 37, 39, 61, 74, 78, 103, 111, 122, 183, 206, 222, 309, 366, 481, 618, 793, 962, 1339, 1443, 1586, 2257, 2379, 2678, 2886, 3811, 4017, 4514, 4758, 6283, 6771, 7622, 8034, 11433, 12566, 13542, 18849, 22866, 29341, 37698, 49543, 58682, 81679, 88023, 99086, 148629, 163358, 176046, 232471, 245037, 297258, 464942, 490074, 697413, 1394826, 3022123, 6044246, 9066369, 18132738]

約数ペア:

[(1, 18132738), (2, 9066369), (3, 6044246), (6, 3022123), (13, 1394826), (26, 697413), (37, 490074), (39, 464942), (61, 297258), (74, 245037), (78, 232471), (103, 176046), (111, 163358), (122, 148629), (183, 99086), (206, 88023), (222, 81679), (309, 58682), (366, 49543), (481, 37698), (618, 29341), (793, 22866), (962, 18849), (1339, 13542), (1443, 12566), (1586, 11433), (2257, 8034), (2379, 7622), (2678, 6771), (2886, 6283), (3811, 4758), (4017, 4514)]