18110538

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{383}}^1$

素因数の和:499

約数の個数: 48

約数和(自身を含む): 40974336

約数和(自身を除く): 22863798

約数列:

[1, 2, 3, 6, 9, 18, 37, 71, 74, 111, 142, 213, 222, 333, 383, 426, 639, 666, 766, 1149, 1278, 2298, 2627, 3447, 5254, 6894, 7881, 14171, 15762, 23643, 27193, 28342, 42513, 47286, 54386, 81579, 85026, 127539, 163158, 244737, 255078, 489474, 1006141, 2012282, 3018423, 6036846, 9055269, 18110538]

約数ペア:

[(1, 18110538), (2, 9055269), (3, 6036846), (6, 3018423), (9, 2012282), (18, 1006141), (37, 489474), (71, 255078), (74, 244737), (111, 163158), (142, 127539), (213, 85026), (222, 81579), (333, 54386), (383, 47286), (426, 42513), (639, 28342), (666, 27193), (766, 23643), (1149, 15762), (1278, 14171), (2298, 7881), (2627, 6894), (3447, 5254)]