19870330

素因数分解:

$2^1\times 5^1\times {\mathrm{229}}^1\times {\mathrm{8677}}^1$

素因数の和:8913

約数の個数: 16

約数和(自身を含む): 35926920

約数和(自身を除く): 16056590

約数列:

[1, 2, 5, 10, 229, 458, 1145, 2290, 8677, 17354, 43385, 86770, 1987033, 3974066, 9935165, 19870330]

約数ペア:

[(1, 19870330), (2, 9935165), (5, 3974066), (10, 1987033), (229, 86770), (458, 43385), (1145, 17354), (2290, 8677)]