12781642

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{5701}}^1$

素因数の和:5781

約数の個数: 16

約数和(自身を含む): 20527200

約数和(自身を除く): 7745558

約数列:

[1, 2, 19, 38, 59, 118, 1121, 2242, 5701, 11402, 108319, 216638, 336359, 672718, 6390821, 12781642]

約数ペア:

[(1, 12781642), (2, 6390821), (19, 672718), (38, 336359), (59, 216638), (118, 108319), (1121, 11402), (2242, 5701)]