19686505

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{5903}}^1$

素因数の和:5960

約数の個数: 16

約数和(自身を含む): 25505280

約数和(自身を除く): 5818775

約数列:

[1, 5, 23, 29, 115, 145, 667, 3335, 5903, 29515, 135769, 171187, 678845, 855935, 3937301, 19686505]

約数ペア:

[(1, 19686505), (5, 3937301), (23, 855935), (29, 678845), (115, 171187), (145, 135769), (667, 29515), (3335, 5903)]