19340620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1019}}^1$

素因数の和:1114

約数の個数: 48

約数和(自身を含む): 44382240

約数和(自身を除く): 25041620

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 73, 130, 146, 260, 292, 365, 730, 949, 1019, 1460, 1898, 2038, 3796, 4076, 4745, 5095, 9490, 10190, 13247, 18980, 20380, 26494, 52988, 66235, 74387, 132470, 148774, 264940, 297548, 371935, 743870, 967031, 1487740, 1934062, 3868124, 4835155, 9670310, 19340620]

約数ペア:

[(1, 19340620), (2, 9670310), (4, 4835155), (5, 3868124), (10, 1934062), (13, 1487740), (20, 967031), (26, 743870), (52, 371935), (65, 297548), (73, 264940), (130, 148774), (146, 132470), (260, 74387), (292, 66235), (365, 52988), (730, 26494), (949, 20380), (1019, 18980), (1460, 13247), (1898, 10190), (2038, 9490), (3796, 5095), (4076, 4745)]