19900745255

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1\times {\mathrm{36299}}^1$

素因数の和:36551

約数の個数: 32

約数和(自身を含む): 26136000000

約数和(自身を除く): 6235254745

約数列:

[1, 5, 19, 29, 95, 145, 199, 551, 995, 2755, 3781, 5771, 18905, 28855, 36299, 109649, 181495, 548245, 689681, 1052671, 3448405, 5263355, 7223501, 20000749, 36117505, 100003745, 137246519, 209481529, 686232595, 1047407645, 3980149051, 19900745255]

約数ペア:

[(1, 19900745255), (5, 3980149051), (19, 1047407645), (29, 686232595), (95, 209481529), (145, 137246519), (199, 100003745), (551, 36117505), (995, 20000749), (2755, 7223501), (3781, 5263355), (5771, 3448405), (18905, 1052671), (28855, 689681), (36299, 548245), (109649, 181495)]