18078837

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{569}}^1$

素因数の和:685

約数の個数: 32

約数和(自身を含む): 29548800

約数和(自身を除く): 11469963

約数列:

[1, 3, 7, 17, 21, 51, 89, 119, 267, 357, 569, 623, 1513, 1707, 1869, 3983, 4539, 9673, 10591, 11949, 29019, 31773, 50641, 67711, 151923, 203133, 354487, 860897, 1063461, 2582691, 6026279, 18078837]

約数ペア:

[(1, 18078837), (3, 6026279), (7, 2582691), (17, 1063461), (21, 860897), (51, 354487), (89, 203133), (119, 151923), (267, 67711), (357, 50641), (569, 31773), (623, 29019), (1513, 11949), (1707, 10591), (1869, 9673), (3983, 4539)]