18912100

素因数分解:

$2^2\times 5^2\times {\mathrm{379}}^1\times {\mathrm{499}}^1$

素因数の和:892

約数の個数: 36

約数和(自身を含む): 41230000

約数和(自身を除く): 22317900

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 379, 499, 758, 998, 1516, 1895, 1996, 2495, 3790, 4990, 7580, 9475, 9980, 12475, 18950, 24950, 37900, 49900, 189121, 378242, 756484, 945605, 1891210, 3782420, 4728025, 9456050, 18912100]

約数ペア:

[(1, 18912100), (2, 9456050), (4, 4728025), (5, 3782420), (10, 1891210), (20, 945605), (25, 756484), (50, 378242), (100, 189121), (379, 49900), (499, 37900), (758, 24950), (998, 18950), (1516, 12475), (1895, 9980), (1996, 9475), (2495, 7580), (3790, 4990)]