19991714

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{3623}}^1$

素因数の和:3745

約数の個数: 16

約数和(自身を含む): 31311360

約数和(自身を除く): 11319646

約数列:

[1, 2, 31, 62, 89, 178, 2759, 3623, 5518, 7246, 112313, 224626, 322447, 644894, 9995857, 19991714]

約数ペア:

[(1, 19991714), (2, 9995857), (31, 644894), (62, 322447), (89, 224626), (178, 112313), (2759, 7246), (3623, 5518)]