19500395

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{1297}}^1$

素因数の和:1430

約数の個数: 16

約数和(自身を含む): 24423168

約数和(自身を除く): 4922773

約数列:

[1, 5, 31, 97, 155, 485, 1297, 3007, 6485, 15035, 40207, 125809, 201035, 629045, 3900079, 19500395]

約数ペア:

[(1, 19500395), (5, 3900079), (31, 629045), (97, 201035), (155, 125809), (485, 40207), (1297, 15035), (3007, 6485)]