18511920

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{3673}}^1$

素因数の和:3699

約数の個数: 120

約数和(自身を含む): 71069856

約数和(自身を除く): 52557936

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 3673, 5040, 7346, 11019, 14692, 18365, 22038, 25711, 29384, 33057, 36730, 44076, 51422, 55095, 58768, 66114, 73460, 77133, 88152, 102844, 110190, 128555, 132228, 146920, 154266, 165285, 176304, 205688, 220380, 231399, 257110, 264456, 293840, 308532, 330570, 385665, 411376, 440760, 462798, 514220, 528912, 617064, 661140, 771330, 881520, 925596, 1028440, 1156995, 1234128, 1322280, 1542660, 1851192, 2056880, 2313990, 2644560, 3085320, 3702384, 4627980, 6170640, 9255960, 18511920]

約数ペア:

[(1, 18511920), (2, 9255960), (3, 6170640), (4, 4627980), (5, 3702384), (6, 3085320), (7, 2644560), (8, 2313990), (9, 2056880), (10, 1851192), (12, 1542660), (14, 1322280), (15, 1234128), (16, 1156995), (18, 1028440), (20, 925596), (21, 881520), (24, 771330), (28, 661140), (30, 617064), (35, 528912), (36, 514220), (40, 462798), (42, 440760), (45, 411376), (48, 385665), (56, 330570), (60, 308532), (63, 293840), (70, 264456), (72, 257110), (80, 231399), (84, 220380), (90, 205688), (105, 176304), (112, 165285), (120, 154266), (126, 146920), (140, 132228), (144, 128555), (168, 110190), (180, 102844), (210, 88152), (240, 77133), (252, 73460), (280, 66114), (315, 58768), (336, 55095), (360, 51422), (420, 44076), (504, 36730), (560, 33057), (630, 29384), (720, 25711), (840, 22038), (1008, 18365), (1260, 14692), (1680, 11019), (2520, 7346), (3673, 5040)]