19948560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1933}}^1$

素因数の和:1992

約数の個数: 80

約数和(自身を含む): 63311424

約数和(自身を除く): 43362864

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 43, 48, 60, 80, 86, 120, 129, 172, 215, 240, 258, 344, 430, 516, 645, 688, 860, 1032, 1290, 1720, 1933, 2064, 2580, 3440, 3866, 5160, 5799, 7732, 9665, 10320, 11598, 15464, 19330, 23196, 28995, 30928, 38660, 46392, 57990, 77320, 83119, 92784, 115980, 154640, 166238, 231960, 249357, 332476, 415595, 463920, 498714, 664952, 831190, 997428, 1246785, 1329904, 1662380, 1994856, 2493570, 3324760, 3989712, 4987140, 6649520, 9974280, 19948560]

約数ペア:

[(1, 19948560), (2, 9974280), (3, 6649520), (4, 4987140), (5, 3989712), (6, 3324760), (8, 2493570), (10, 1994856), (12, 1662380), (15, 1329904), (16, 1246785), (20, 997428), (24, 831190), (30, 664952), (40, 498714), (43, 463920), (48, 415595), (60, 332476), (80, 249357), (86, 231960), (120, 166238), (129, 154640), (172, 115980), (215, 92784), (240, 83119), (258, 77320), (344, 57990), (430, 46392), (516, 38660), (645, 30928), (688, 28995), (860, 23196), (1032, 19330), (1290, 15464), (1720, 11598), (1933, 10320), (2064, 9665), (2580, 7732), (3440, 5799), (3866, 5160)]