19397220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{379}}^1\times {\mathrm{853}}^1$

素因数の和:1244

約数の個数: 48

約数和(自身を含む): 54519360

約数和(自身を除く): 35122140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 379, 758, 853, 1137, 1516, 1706, 1895, 2274, 2559, 3412, 3790, 4265, 4548, 5118, 5685, 7580, 8530, 10236, 11370, 12795, 17060, 22740, 25590, 51180, 323287, 646574, 969861, 1293148, 1616435, 1939722, 3232870, 3879444, 4849305, 6465740, 9698610, 19397220]

約数ペア:

[(1, 19397220), (2, 9698610), (3, 6465740), (4, 4849305), (5, 3879444), (6, 3232870), (10, 1939722), (12, 1616435), (15, 1293148), (20, 969861), (30, 646574), (60, 323287), (379, 51180), (758, 25590), (853, 22740), (1137, 17060), (1516, 12795), (1706, 11370), (1895, 10236), (2274, 8530), (2559, 7580), (3412, 5685), (3790, 5118), (4265, 4548)]