18959135

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^2$

素因数の和:243

約数の個数: 24

約数和(自身を含む): 25554816

約数和(自身を除く): 6595681

約数列:

[1, 5, 13, 31, 65, 97, 155, 403, 485, 1261, 2015, 3007, 6305, 9409, 15035, 39091, 47045, 122317, 195455, 291679, 611585, 1458395, 3791827, 18959135]

約数ペア:

[(1, 18959135), (5, 3791827), (13, 1458395), (31, 611585), (65, 291679), (97, 195455), (155, 122317), (403, 47045), (485, 39091), (1261, 15035), (2015, 9409), (3007, 6305)]