18620228

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{22273}}^1$

素因数の和:22307

約数の個数: 24

約数和(自身を含む): 37420320

約数和(自身を除く): 18800092

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, 836, 22273, 44546, 89092, 245003, 423187, 490006, 846374, 980012, 1692748, 4655057, 9310114, 18620228]

約数ペア:

[(1, 18620228), (2, 9310114), (4, 4655057), (11, 1692748), (19, 980012), (22, 846374), (38, 490006), (44, 423187), (76, 245003), (209, 89092), (418, 44546), (836, 22273)]