18104385

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{409}}^1$

素因数の和:657

約数の個数: 32

約数和(自身を含む): 31409280

約数和(自身を除く): 13304895

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 227, 409, 681, 1135, 1227, 2045, 2951, 3405, 5317, 6135, 8853, 14755, 15951, 26585, 44265, 79755, 92843, 278529, 464215, 1206959, 1392645, 3620877, 6034795, 18104385]

約数ペア:

[(1, 18104385), (3, 6034795), (5, 3620877), (13, 1392645), (15, 1206959), (39, 464215), (65, 278529), (195, 92843), (227, 79755), (409, 44265), (681, 26585), (1135, 15951), (1227, 14755), (2045, 8853), (2951, 6135), (3405, 5317)]