221396018

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{359}}^1\times {\mathrm{16229}}^1$

素因数の和:16609

約数の個数: 16

約数和(自身を含む): 350568000

約数和(自身を除く): 129171982

約数列:

[1, 2, 19, 38, 359, 718, 6821, 13642, 16229, 32458, 308351, 616702, 5826211, 11652422, 110698009, 221396018]

約数ペア:

[(1, 221396018), (2, 110698009), (19, 11652422), (38, 5826211), (359, 616702), (718, 308351), (6821, 32458), (13642, 16229)]