19163960

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{6563}}^1$

素因数の和:6647

約数の個数: 32

約数和(自身を含む): 43716240

約数和(自身を除く): 24552280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 6563, 13126, 26252, 32815, 52504, 65630, 131260, 262520, 479099, 958198, 1916396, 2395495, 3832792, 4790990, 9581980, 19163960]

約数ペア:

[(1, 19163960), (2, 9581980), (4, 4790990), (5, 3832792), (8, 2395495), (10, 1916396), (20, 958198), (40, 479099), (73, 262520), (146, 131260), (292, 65630), (365, 52504), (584, 32815), (730, 26252), (1460, 13126), (2920, 6563)]