19112015

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{10139}}^1$

素因数の和:10186

約数の個数: 16

約数和(自身を含む): 25552800

約数和(自身を除く): 6440785

約数列:

[1, 5, 13, 29, 65, 145, 377, 1885, 10139, 50695, 131807, 294031, 659035, 1470155, 3822403, 19112015]

約数ペア:

[(1, 19112015), (5, 3822403), (13, 1470155), (29, 659035), (65, 294031), (145, 131807), (377, 50695), (1885, 10139)]