19893710

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{181}}^1\times {\mathrm{379}}^1$

素因数の和:596

約数の個数: 32

約数和(自身を含む): 37346400

約数和(自身を除く): 17452690

約数列:

[1, 2, 5, 10, 29, 58, 145, 181, 290, 362, 379, 758, 905, 1810, 1895, 3790, 5249, 10498, 10991, 21982, 26245, 52490, 54955, 68599, 109910, 137198, 342995, 685990, 1989371, 3978742, 9946855, 19893710]

約数ペア:

[(1, 19893710), (2, 9946855), (5, 3978742), (10, 1989371), (29, 685990), (58, 342995), (145, 137198), (181, 109910), (290, 68599), (362, 54955), (379, 52490), (758, 26245), (905, 21982), (1810, 10991), (1895, 10498), (3790, 5249)]