19118520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2309}}^1$

素因数の和:2349

約数の個数: 96

約数和(自身を含む): 64864800

約数和(自身を除く): 45746280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 30, 36, 40, 45, 46, 60, 69, 72, 90, 92, 115, 120, 138, 180, 184, 207, 230, 276, 345, 360, 414, 460, 552, 690, 828, 920, 1035, 1380, 1656, 2070, 2309, 2760, 4140, 4618, 6927, 8280, 9236, 11545, 13854, 18472, 20781, 23090, 27708, 34635, 41562, 46180, 53107, 55416, 69270, 83124, 92360, 103905, 106214, 138540, 159321, 166248, 207810, 212428, 265535, 277080, 318642, 415620, 424856, 477963, 531070, 637284, 796605, 831240, 955926, 1062140, 1274568, 1593210, 1911852, 2124280, 2389815, 3186420, 3823704, 4779630, 6372840, 9559260, 19118520]

約数ペア:

[(1, 19118520), (2, 9559260), (3, 6372840), (4, 4779630), (5, 3823704), (6, 3186420), (8, 2389815), (9, 2124280), (10, 1911852), (12, 1593210), (15, 1274568), (18, 1062140), (20, 955926), (23, 831240), (24, 796605), (30, 637284), (36, 531070), (40, 477963), (45, 424856), (46, 415620), (60, 318642), (69, 277080), (72, 265535), (90, 212428), (92, 207810), (115, 166248), (120, 159321), (138, 138540), (180, 106214), (184, 103905), (207, 92360), (230, 83124), (276, 69270), (345, 55416), (360, 53107), (414, 46180), (460, 41562), (552, 34635), (690, 27708), (828, 23090), (920, 20781), (1035, 18472), (1380, 13854), (1656, 11545), (2070, 9236), (2309, 8280), (2760, 6927), (4140, 4618)]