19181790

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{213131}}^1$

素因数の和:213144

約数の個数: 24

約数和(自身を含む): 49872888

約数和(自身を除く): 30691098

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 213131, 426262, 639393, 1065655, 1278786, 1918179, 2131310, 3196965, 3836358, 6393930, 9590895, 19181790]

約数ペア:

[(1, 19181790), (2, 9590895), (3, 6393930), (5, 3836358), (6, 3196965), (9, 2131310), (10, 1918179), (15, 1278786), (18, 1065655), (30, 639393), (45, 426262), (90, 213131)]