19855080

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{7879}}^1$

素因数の和:7903

約数の個数: 96

約数和(自身を含む): 73756800

約数和(自身を除く): 53901720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 7879, 15758, 23637, 31516, 39395, 47274, 55153, 63032, 70911, 78790, 94548, 110306, 118185, 141822, 157580, 165459, 189096, 220612, 236370, 275765, 283644, 315160, 330918, 354555, 441224, 472740, 496377, 551530, 567288, 661836, 709110, 827295, 945480, 992754, 1103060, 1323672, 1418220, 1654590, 1985508, 2206120, 2481885, 2836440, 3309180, 3971016, 4963770, 6618360, 9927540, 19855080]

約数ペア:

[(1, 19855080), (2, 9927540), (3, 6618360), (4, 4963770), (5, 3971016), (6, 3309180), (7, 2836440), (8, 2481885), (9, 2206120), (10, 1985508), (12, 1654590), (14, 1418220), (15, 1323672), (18, 1103060), (20, 992754), (21, 945480), (24, 827295), (28, 709110), (30, 661836), (35, 567288), (36, 551530), (40, 496377), (42, 472740), (45, 441224), (56, 354555), (60, 330918), (63, 315160), (70, 283644), (72, 275765), (84, 236370), (90, 220612), (105, 189096), (120, 165459), (126, 157580), (140, 141822), (168, 118185), (180, 110306), (210, 94548), (252, 78790), (280, 70911), (315, 63032), (360, 55153), (420, 47274), (504, 39395), (630, 31516), (840, 23637), (1260, 15758), (2520, 7879)]