19933215

素因数分解:

$3^1\times 5^1\times {\mathrm{1039}}^1\times {\mathrm{1279}}^1$

素因数の和:2326

約数の個数: 16

約数和(自身を含む): 31948800

約数和(自身を除く): 12015585

約数列:

[1, 3, 5, 15, 1039, 1279, 3117, 3837, 5195, 6395, 15585, 19185, 1328881, 3986643, 6644405, 19933215]

約数ペア:

[(1, 19933215), (3, 6644405), (5, 3986643), (15, 1328881), (1039, 19185), (1279, 15585), (3117, 6395), (3837, 5195)]