19191075

素因数分解:

$3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{79}}^2$

素因数の和:212

約数の個数: 36

約数和(自身を含む): 32919768

約数和(自身を除く): 13728693

約数列:

[1, 3, 5, 15, 25, 41, 75, 79, 123, 205, 237, 395, 615, 1025, 1185, 1975, 3075, 3239, 5925, 6241, 9717, 16195, 18723, 31205, 48585, 80975, 93615, 156025, 242925, 255881, 468075, 767643, 1279405, 3838215, 6397025, 19191075]

約数ペア:

[(1, 19191075), (3, 6397025), (5, 3838215), (15, 1279405), (25, 767643), (41, 468075), (75, 255881), (79, 242925), (123, 156025), (205, 93615), (237, 80975), (395, 48585), (615, 31205), (1025, 18723), (1185, 16195), (1975, 9717), (3075, 6241), (3239, 5925)]