19001444

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1$

素因数の和:249

約数の個数: 96

約数和(自身を含む): 46448640

約数和(自身を除く): 27447196

約数列:

[1, 2, 4, 7, 11, 14, 17, 19, 22, 28, 34, 38, 44, 68, 76, 77, 119, 133, 154, 187, 191, 209, 238, 266, 308, 323, 374, 382, 418, 476, 532, 646, 748, 764, 836, 1292, 1309, 1337, 1463, 2101, 2261, 2618, 2674, 2926, 3247, 3553, 3629, 4202, 4522, 5236, 5348, 5852, 6494, 7106, 7258, 8404, 9044, 12988, 14212, 14516, 14707, 22729, 24871, 25403, 29414, 35717, 39919, 45458, 49742, 50806, 58828, 61693, 71434, 79838, 90916, 99484, 101612, 123386, 142868, 159676, 246772, 250019, 279433, 431851, 500038, 558866, 678623, 863702, 1000076, 1117732, 1357246, 1727404, 2714492, 4750361, 9500722, 19001444]

約数ペア:

[(1, 19001444), (2, 9500722), (4, 4750361), (7, 2714492), (11, 1727404), (14, 1357246), (17, 1117732), (19, 1000076), (22, 863702), (28, 678623), (34, 558866), (38, 500038), (44, 431851), (68, 279433), (76, 250019), (77, 246772), (119, 159676), (133, 142868), (154, 123386), (187, 101612), (191, 99484), (209, 90916), (238, 79838), (266, 71434), (308, 61693), (323, 58828), (374, 50806), (382, 49742), (418, 45458), (476, 39919), (532, 35717), (646, 29414), (748, 25403), (764, 24871), (836, 22729), (1292, 14707), (1309, 14516), (1337, 14212), (1463, 12988), (2101, 9044), (2261, 8404), (2618, 7258), (2674, 7106), (2926, 6494), (3247, 5852), (3553, 5348), (3629, 5236), (4202, 4522)]