19944225

素因数分解:

$3^5\times 5^2\times 7^2\times {\mathrm{67}}^1$

素因数の和:106

約数の個数: 108

約数和(自身を含む): 43736784

約数和(自身を除く): 23792559

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 49, 63, 67, 75, 81, 105, 135, 147, 175, 189, 201, 225, 243, 245, 315, 335, 405, 441, 469, 525, 567, 603, 675, 735, 945, 1005, 1215, 1225, 1323, 1407, 1575, 1675, 1701, 1809, 2025, 2205, 2345, 2835, 3015, 3283, 3675, 3969, 4221, 4725, 5025, 5427, 6075, 6615, 7035, 8505, 9045, 9849, 11025, 11725, 11907, 12663, 14175, 15075, 16281, 16415, 19845, 21105, 27135, 29547, 33075, 35175, 37989, 42525, 45225, 49245, 59535, 63315, 81405, 82075, 88641, 99225, 105525, 113967, 135675, 147735, 189945, 246225, 265923, 297675, 316575, 407025, 443205, 569835, 738675, 797769, 949725, 1329615, 2216025, 2849175, 3988845, 6648075, 19944225]

約数ペア:

[(1, 19944225), (3, 6648075), (5, 3988845), (7, 2849175), (9, 2216025), (15, 1329615), (21, 949725), (25, 797769), (27, 738675), (35, 569835), (45, 443205), (49, 407025), (63, 316575), (67, 297675), (75, 265923), (81, 246225), (105, 189945), (135, 147735), (147, 135675), (175, 113967), (189, 105525), (201, 99225), (225, 88641), (243, 82075), (245, 81405), (315, 63315), (335, 59535), (405, 49245), (441, 45225), (469, 42525), (525, 37989), (567, 35175), (603, 33075), (675, 29547), (735, 27135), (945, 21105), (1005, 19845), (1215, 16415), (1225, 16281), (1323, 15075), (1407, 14175), (1575, 12663), (1675, 11907), (1701, 11725), (1809, 11025), (2025, 9849), (2205, 9045), (2345, 8505), (2835, 7035), (3015, 6615), (3283, 6075), (3675, 5427), (3969, 5025), (4221, 4725)]