18070195

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{199}}^1$

素因数の和:355

約数の個数: 32

約数和(自身を含む): 25804800

約数和(自身を除く): 7734605

約数列:

[1, 5, 11, 13, 55, 65, 127, 143, 199, 635, 715, 995, 1397, 1651, 2189, 2587, 6985, 8255, 10945, 12935, 18161, 25273, 28457, 90805, 126365, 142285, 278003, 328549, 1390015, 1642745, 3614039, 18070195]

約数ペア:

[(1, 18070195), (5, 3614039), (11, 1642745), (13, 1390015), (55, 328549), (65, 278003), (127, 142285), (143, 126365), (199, 90805), (635, 28457), (715, 25273), (995, 18161), (1397, 12935), (1651, 10945), (2189, 8255), (2587, 6985)]