19493045

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{199}}^1$

素因数の和:365

約数の個数: 32

約数和(自身を含む): 27820800

約数和(自身を除く): 8327755

約数列:

[1, 5, 11, 13, 55, 65, 137, 143, 199, 685, 715, 995, 1507, 1781, 2189, 2587, 7535, 8905, 10945, 12935, 19591, 27263, 28457, 97955, 136315, 142285, 299893, 354419, 1499465, 1772095, 3898609, 19493045]

約数ペア:

[(1, 19493045), (5, 3898609), (11, 1772095), (13, 1499465), (55, 354419), (65, 299893), (137, 142285), (143, 136315), (199, 97955), (685, 28457), (715, 27263), (995, 19591), (1507, 12935), (1781, 10945), (2189, 8905), (2587, 7535)]