19747077

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{11903}}^1$

素因数の和:11992

約数の個数: 16

約数和(自身を含む): 30474240

約数和(自身を除く): 10727163

約数列:

[1, 3, 7, 21, 79, 237, 553, 1659, 11903, 35709, 83321, 249963, 940337, 2821011, 6582359, 19747077]

約数ペア:

[(1, 19747077), (3, 6582359), (7, 2821011), (21, 940337), (79, 249963), (237, 83321), (553, 35709), (1659, 11903)]