18930315

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{30781}}^1$

素因数の和:30830

約数の個数: 16

約数和(自身を含む): 31028256

約数和(自身を除く): 12097941

約数列:

[1, 3, 5, 15, 41, 123, 205, 615, 30781, 92343, 153905, 461715, 1262021, 3786063, 6310105, 18930315]

約数ペア:

[(1, 18930315), (3, 6310105), (5, 3786063), (15, 1262021), (41, 461715), (123, 153905), (205, 92343), (615, 30781)]