19784434

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{7333}}^1$

素因数の和:7425

約数の個数: 16

約数和(自身を含む): 31682880

約数和(自身を除く): 11898446

約数列:

[1, 2, 19, 38, 71, 142, 1349, 2698, 7333, 14666, 139327, 278654, 520643, 1041286, 9892217, 19784434]

約数ペア:

[(1, 19784434), (2, 9892217), (19, 1041286), (38, 520643), (71, 278654), (142, 139327), (1349, 14666), (2698, 7333)]