19663995

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{7757}}^1$

素因数の和:7791

約数の個数: 24

約数和(自身を含む): 34073136

約数和(自身を除く): 14409141

約数列:

[1, 3, 5, 13, 15, 39, 65, 169, 195, 507, 845, 2535, 7757, 23271, 38785, 100841, 116355, 302523, 504205, 1310933, 1512615, 3932799, 6554665, 19663995]

約数ペア:

[(1, 19663995), (3, 6554665), (5, 3932799), (13, 1512615), (15, 1310933), (39, 504205), (65, 302523), (169, 116355), (195, 100841), (507, 38785), (845, 23271), (2535, 7757)]