19735640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29023}}^1$

素因数の和:29051

約数の個数: 32

約数和(自身を含む): 47018880

約数和(自身を除く): 27283240

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 29023, 58046, 116092, 145115, 232184, 290230, 493391, 580460, 986782, 1160920, 1973564, 2466955, 3947128, 4933910, 9867820, 19735640]

約数ペア:

[(1, 19735640), (2, 9867820), (4, 4933910), (5, 3947128), (8, 2466955), (10, 1973564), (17, 1160920), (20, 986782), (34, 580460), (40, 493391), (68, 290230), (85, 232184), (136, 145115), (170, 116092), (340, 58046), (680, 29023)]