19421900

素因数分解:

$2^2\times 5^2\times {\mathrm{359}}^1\times {\mathrm{541}}^1$

素因数の和:914

約数の個数: 36

約数和(自身を含む): 42341040

約数和(自身を除く): 22919140

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 359, 541, 718, 1082, 1436, 1795, 2164, 2705, 3590, 5410, 7180, 8975, 10820, 13525, 17950, 27050, 35900, 54100, 194219, 388438, 776876, 971095, 1942190, 3884380, 4855475, 9710950, 19421900]

約数ペア:

[(1, 19421900), (2, 9710950), (4, 4855475), (5, 3884380), (10, 1942190), (20, 971095), (25, 776876), (50, 388438), (100, 194219), (359, 54100), (541, 35900), (718, 27050), (1082, 17950), (1436, 13525), (1795, 10820), (2164, 8975), (2705, 7180), (3590, 5410)]