18018408

素因数分解:

$2^3\times 3^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{197}}^1$

素因数の和:346

約数の個数: 64

約数和(自身を含む): 46949760

約数和(自身を除く): 28931352

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 37, 74, 103, 111, 148, 197, 206, 222, 296, 309, 394, 412, 444, 591, 618, 788, 824, 888, 1182, 1236, 1576, 2364, 2472, 3811, 4728, 7289, 7622, 11433, 14578, 15244, 20291, 21867, 22866, 29156, 30488, 40582, 43734, 45732, 58312, 60873, 81164, 87468, 91464, 121746, 162328, 174936, 243492, 486984, 750767, 1501534, 2252301, 3003068, 4504602, 6006136, 9009204, 18018408]

約数ペア:

[(1, 18018408), (2, 9009204), (3, 6006136), (4, 4504602), (6, 3003068), (8, 2252301), (12, 1501534), (24, 750767), (37, 486984), (74, 243492), (103, 174936), (111, 162328), (148, 121746), (197, 91464), (206, 87468), (222, 81164), (296, 60873), (309, 58312), (394, 45732), (412, 43734), (444, 40582), (591, 30488), (618, 29156), (788, 22866), (824, 21867), (888, 20291), (1182, 15244), (1236, 14578), (1576, 11433), (2364, 7622), (2472, 7289), (3811, 4728)]