19951856

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{54217}}^1$

素因数の和:54248

約数の個数: 20

約数和(自身を含む): 40338192

約数和(自身を除く): 20386336

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 54217, 108434, 216868, 433736, 867472, 1246991, 2493982, 4987964, 9975928, 19951856]

約数ペア:

[(1, 19951856), (2, 9975928), (4, 4987964), (8, 2493982), (16, 1246991), (23, 867472), (46, 433736), (92, 216868), (184, 108434), (368, 54217)]