19188720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{919}}^1$

素因数の和:967

約数の個数: 120

約数和(自身を含む): 66736800

約数和(自身を除く): 47548080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 29, 30, 36, 40, 45, 48, 58, 60, 72, 80, 87, 90, 116, 120, 144, 145, 174, 180, 232, 240, 261, 290, 348, 360, 435, 464, 522, 580, 696, 720, 870, 919, 1044, 1160, 1305, 1392, 1740, 1838, 2088, 2320, 2610, 2757, 3480, 3676, 4176, 4595, 5220, 5514, 6960, 7352, 8271, 9190, 10440, 11028, 13785, 14704, 16542, 18380, 20880, 22056, 26651, 27570, 33084, 36760, 41355, 44112, 53302, 55140, 66168, 73520, 79953, 82710, 106604, 110280, 132336, 133255, 159906, 165420, 213208, 220560, 239859, 266510, 319812, 330840, 399765, 426416, 479718, 533020, 639624, 661680, 799530, 959436, 1066040, 1199295, 1279248, 1599060, 1918872, 2132080, 2398590, 3198120, 3837744, 4797180, 6396240, 9594360, 19188720]

約数ペア:

[(1, 19188720), (2, 9594360), (3, 6396240), (4, 4797180), (5, 3837744), (6, 3198120), (8, 2398590), (9, 2132080), (10, 1918872), (12, 1599060), (15, 1279248), (16, 1199295), (18, 1066040), (20, 959436), (24, 799530), (29, 661680), (30, 639624), (36, 533020), (40, 479718), (45, 426416), (48, 399765), (58, 330840), (60, 319812), (72, 266510), (80, 239859), (87, 220560), (90, 213208), (116, 165420), (120, 159906), (144, 133255), (145, 132336), (174, 110280), (180, 106604), (232, 82710), (240, 79953), (261, 73520), (290, 66168), (348, 55140), (360, 53302), (435, 44112), (464, 41355), (522, 36760), (580, 33084), (696, 27570), (720, 26651), (870, 22056), (919, 20880), (1044, 18380), (1160, 16542), (1305, 14704), (1392, 13785), (1740, 11028), (1838, 10440), (2088, 9190), (2320, 8271), (2610, 7352), (2757, 6960), (3480, 5514), (3676, 5220), (4176, 4595)]