19630900

素因数分解:

$2^2\times 5^2\times {\mathrm{109}}^1\times {\mathrm{1801}}^1$

素因数の和:1924

約数の個数: 36

約数和(自身を含む): 43013740

約数和(自身を除く): 23382840

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 109, 218, 436, 545, 1090, 1801, 2180, 2725, 3602, 5450, 7204, 9005, 10900, 18010, 36020, 45025, 90050, 180100, 196309, 392618, 785236, 981545, 1963090, 3926180, 4907725, 9815450, 19630900]

約数ペア:

[(1, 19630900), (2, 9815450), (4, 4907725), (5, 3926180), (10, 1963090), (20, 981545), (25, 785236), (50, 392618), (100, 196309), (109, 180100), (218, 90050), (436, 45025), (545, 36020), (1090, 18010), (1801, 10900), (2180, 9005), (2725, 7204), (3602, 5450)]