19421648

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{2203}}^1$

素因数の和:2259

約数の個数: 40

約数和(自身を含む): 40994400

約数和(自身を除く): 21572752

約数列:

[1, 2, 4, 8, 16, 19, 29, 38, 58, 76, 116, 152, 232, 304, 464, 551, 1102, 2203, 2204, 4406, 4408, 8812, 8816, 17624, 35248, 41857, 63887, 83714, 127774, 167428, 255548, 334856, 511096, 669712, 1022192, 1213853, 2427706, 4855412, 9710824, 19421648]

約数ペア:

[(1, 19421648), (2, 9710824), (4, 4855412), (8, 2427706), (16, 1213853), (19, 1022192), (29, 669712), (38, 511096), (58, 334856), (76, 255548), (116, 167428), (152, 127774), (232, 83714), (304, 63887), (464, 41857), (551, 35248), (1102, 17624), (2203, 8816), (2204, 8812), (4406, 4408)]