19021900

素因数分解:

$2^2\times 5^2\times {\mathrm{223}}^1\times {\mathrm{853}}^1$

素因数の和:1090

約数の個数: 36

約数和(自身を含む): 41511232

約数和(自身を除く): 22489332

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 223, 446, 853, 892, 1115, 1706, 2230, 3412, 4265, 4460, 5575, 8530, 11150, 17060, 21325, 22300, 42650, 85300, 190219, 380438, 760876, 951095, 1902190, 3804380, 4755475, 9510950, 19021900]

約数ペア:

[(1, 19021900), (2, 9510950), (4, 4755475), (5, 3804380), (10, 1902190), (20, 951095), (25, 760876), (50, 380438), (100, 190219), (223, 85300), (446, 42650), (853, 22300), (892, 21325), (1115, 17060), (1706, 11150), (2230, 8530), (3412, 5575), (4265, 4460)]