19181340

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{35521}}^1$

素因数の和:35539

約数の個数: 48

約数和(自身を含む): 59676960

約数和(自身を除く): 40495620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 35521, 71042, 106563, 142084, 177605, 213126, 319689, 355210, 426252, 532815, 639378, 710420, 959067, 1065630, 1278756, 1598445, 1918134, 2131260, 3196890, 3836268, 4795335, 6393780, 9590670, 19181340]

約数ペア:

[(1, 19181340), (2, 9590670), (3, 6393780), (4, 4795335), (5, 3836268), (6, 3196890), (9, 2131260), (10, 1918134), (12, 1598445), (15, 1278756), (18, 1065630), (20, 959067), (27, 710420), (30, 639378), (36, 532815), (45, 426252), (54, 355210), (60, 319689), (90, 213126), (108, 177605), (135, 142084), (180, 106563), (270, 71042), (540, 35521)]