19884292

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{227}}^1\times {\mathrm{359}}^1$

素因数の和:651

約数の個数: 24

約数和(自身を含む): 35622720

約数和(自身を除く): 15738428

約数列:

[1, 2, 4, 61, 122, 227, 244, 359, 454, 718, 908, 1436, 13847, 21899, 27694, 43798, 55388, 81493, 87596, 162986, 325972, 4971073, 9942146, 19884292]

約数ペア:

[(1, 19884292), (2, 9942146), (4, 4971073), (61, 325972), (122, 162986), (227, 87596), (244, 81493), (359, 55388), (454, 43798), (718, 27694), (908, 21899), (1436, 13847)]