19994224

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{1051}}^1$

素因数の和:1129

約数の個数: 40

約数和(自身を含む): 41091120

約数和(自身を除く): 21096896

約数列:

[1, 2, 4, 8, 16, 29, 41, 58, 82, 116, 164, 232, 328, 464, 656, 1051, 1189, 2102, 2378, 4204, 4756, 8408, 9512, 16816, 19024, 30479, 43091, 60958, 86182, 121916, 172364, 243832, 344728, 487664, 689456, 1249639, 2499278, 4998556, 9997112, 19994224]

約数ペア:

[(1, 19994224), (2, 9997112), (4, 4998556), (8, 2499278), (16, 1249639), (29, 689456), (41, 487664), (58, 344728), (82, 243832), (116, 172364), (164, 121916), (232, 86182), (328, 60958), (464, 43091), (656, 30479), (1051, 19024), (1189, 16816), (2102, 9512), (2378, 8408), (4204, 4756)]