19551240

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{421}}^1$

素因数の和:484

約数の個数: 128

約数和(自身を含む): 66844800

約数和(自身を除く): 47293560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 43, 45, 54, 60, 72, 86, 90, 108, 120, 129, 135, 172, 180, 215, 216, 258, 270, 344, 360, 387, 421, 430, 516, 540, 645, 774, 842, 860, 1032, 1080, 1161, 1263, 1290, 1548, 1684, 1720, 1935, 2105, 2322, 2526, 2580, 3096, 3368, 3789, 3870, 4210, 4644, 5052, 5160, 5805, 6315, 7578, 7740, 8420, 9288, 10104, 11367, 11610, 12630, 15156, 15480, 16840, 18103, 18945, 22734, 23220, 25260, 30312, 36206, 37890, 45468, 46440, 50520, 54309, 56835, 72412, 75780, 90515, 90936, 108618, 113670, 144824, 151560, 162927, 181030, 217236, 227340, 271545, 325854, 362060, 434472, 454680, 488781, 543090, 651708, 724120, 814635, 977562, 1086180, 1303416, 1629270, 1955124, 2172360, 2443905, 3258540, 3910248, 4887810, 6517080, 9775620, 19551240]

約数ペア:

[(1, 19551240), (2, 9775620), (3, 6517080), (4, 4887810), (5, 3910248), (6, 3258540), (8, 2443905), (9, 2172360), (10, 1955124), (12, 1629270), (15, 1303416), (18, 1086180), (20, 977562), (24, 814635), (27, 724120), (30, 651708), (36, 543090), (40, 488781), (43, 454680), (45, 434472), (54, 362060), (60, 325854), (72, 271545), (86, 227340), (90, 217236), (108, 181030), (120, 162927), (129, 151560), (135, 144824), (172, 113670), (180, 108618), (215, 90936), (216, 90515), (258, 75780), (270, 72412), (344, 56835), (360, 54309), (387, 50520), (421, 46440), (430, 45468), (516, 37890), (540, 36206), (645, 30312), (774, 25260), (842, 23220), (860, 22734), (1032, 18945), (1080, 18103), (1161, 16840), (1263, 15480), (1290, 15156), (1548, 12630), (1684, 11610), (1720, 11367), (1935, 10104), (2105, 9288), (2322, 8420), (2526, 7740), (2580, 7578), (3096, 6315), (3368, 5805), (3789, 5160), (3870, 5052), (4210, 4644)]