19109205

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{499}}^1$

素因数の和:570

約数の個数: 48

約数和(自身を含む): 35568000

約数和(自身を除く): 16458795

約数列:

[1, 3, 5, 9, 15, 23, 37, 45, 69, 111, 115, 185, 207, 333, 345, 499, 555, 851, 1035, 1497, 1665, 2495, 2553, 4255, 4491, 7485, 7659, 11477, 12765, 18463, 22455, 34431, 38295, 55389, 57385, 92315, 103293, 166167, 172155, 276945, 424649, 516465, 830835, 1273947, 2123245, 3821841, 6369735, 19109205]

約数ペア:

[(1, 19109205), (3, 6369735), (5, 3821841), (9, 2123245), (15, 1273947), (23, 830835), (37, 516465), (45, 424649), (69, 276945), (111, 172155), (115, 166167), (185, 103293), (207, 92315), (333, 57385), (345, 55389), (499, 38295), (555, 34431), (851, 22455), (1035, 18463), (1497, 12765), (1665, 11477), (2495, 7659), (2553, 7485), (4255, 4491)]