18810100

素因数分解:

$2^2\times 5^2\times {\mathrm{137}}^1\times {\mathrm{1373}}^1$

素因数の和:1524

約数の個数: 36

約数和(自身を含む): 41145804

約数和(自身を除く): 22335704

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 137, 274, 548, 685, 1370, 1373, 2740, 2746, 3425, 5492, 6850, 6865, 13700, 13730, 27460, 34325, 68650, 137300, 188101, 376202, 752404, 940505, 1881010, 3762020, 4702525, 9405050, 18810100]

約数ペア:

[(1, 18810100), (2, 9405050), (4, 4702525), (5, 3762020), (10, 1881010), (20, 940505), (25, 752404), (50, 376202), (100, 188101), (137, 137300), (274, 68650), (548, 34325), (685, 27460), (1370, 13730), (1373, 13700), (2740, 6865), (2746, 6850), (3425, 5492)]