19897944

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1$

素因数の和:185

約数の個数: 128

約数和(自身を含む): 59097600

約数和(自身を除く): 39199656

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 23, 24, 29, 33, 44, 46, 58, 66, 69, 87, 88, 92, 113, 116, 132, 138, 174, 184, 226, 232, 253, 264, 276, 319, 339, 348, 452, 506, 552, 638, 667, 678, 696, 759, 904, 957, 1012, 1243, 1276, 1334, 1356, 1518, 1914, 2001, 2024, 2486, 2552, 2599, 2668, 2712, 3036, 3277, 3729, 3828, 4002, 4972, 5198, 5336, 6072, 6554, 7337, 7458, 7656, 7797, 8004, 9831, 9944, 10396, 13108, 14674, 14916, 15594, 16008, 19662, 20792, 22011, 26216, 28589, 29348, 29832, 31188, 36047, 39324, 44022, 57178, 58696, 62376, 72094, 75371, 78648, 85767, 88044, 108141, 114356, 144188, 150742, 171534, 176088, 216282, 226113, 228712, 288376, 301484, 343068, 432564, 452226, 602968, 686136, 829081, 865128, 904452, 1658162, 1808904, 2487243, 3316324, 4974486, 6632648, 9948972, 19897944]

約数ペア:

[(1, 19897944), (2, 9948972), (3, 6632648), (4, 4974486), (6, 3316324), (8, 2487243), (11, 1808904), (12, 1658162), (22, 904452), (23, 865128), (24, 829081), (29, 686136), (33, 602968), (44, 452226), (46, 432564), (58, 343068), (66, 301484), (69, 288376), (87, 228712), (88, 226113), (92, 216282), (113, 176088), (116, 171534), (132, 150742), (138, 144188), (174, 114356), (184, 108141), (226, 88044), (232, 85767), (253, 78648), (264, 75371), (276, 72094), (319, 62376), (339, 58696), (348, 57178), (452, 44022), (506, 39324), (552, 36047), (638, 31188), (667, 29832), (678, 29348), (696, 28589), (759, 26216), (904, 22011), (957, 20792), (1012, 19662), (1243, 16008), (1276, 15594), (1334, 14916), (1356, 14674), (1518, 13108), (1914, 10396), (2001, 9944), (2024, 9831), (2486, 8004), (2552, 7797), (2599, 7656), (2668, 7458), (2712, 7337), (3036, 6554), (3277, 6072), (3729, 5336), (3828, 5198), (4002, 4972)]