18861890

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{193}}^1\times {\mathrm{337}}^1$

素因数の和:566

約数の個数: 32

約数和(自身を含む): 35408880

約数和(自身を除く): 16546990

約数列:

[1, 2, 5, 10, 29, 58, 145, 193, 290, 337, 386, 674, 965, 1685, 1930, 3370, 5597, 9773, 11194, 19546, 27985, 48865, 55970, 65041, 97730, 130082, 325205, 650410, 1886189, 3772378, 9430945, 18861890]

約数ペア:

[(1, 18861890), (2, 9430945), (5, 3772378), (10, 1886189), (29, 650410), (58, 325205), (145, 130082), (193, 97730), (290, 65041), (337, 55970), (386, 48865), (674, 27985), (965, 19546), (1685, 11194), (1930, 9773), (3370, 5597)]