18215988

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{5861}}^1$

素因数の和:5912

約数の個数: 48

約数和(自身を含む): 49897344

約数和(自身を除く): 31681356

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 37, 42, 74, 84, 111, 148, 222, 259, 444, 518, 777, 1036, 1554, 3108, 5861, 11722, 17583, 23444, 35166, 41027, 70332, 82054, 123081, 164108, 216857, 246162, 433714, 492324, 650571, 867428, 1301142, 1517999, 2602284, 3035998, 4553997, 6071996, 9107994, 18215988]

約数ペア:

[(1, 18215988), (2, 9107994), (3, 6071996), (4, 4553997), (6, 3035998), (7, 2602284), (12, 1517999), (14, 1301142), (21, 867428), (28, 650571), (37, 492324), (42, 433714), (74, 246162), (84, 216857), (111, 164108), (148, 123081), (222, 82054), (259, 70332), (444, 41027), (518, 35166), (777, 23444), (1036, 17583), (1554, 11722), (3108, 5861)]