19446720

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{431}}^1$

素因数の和:498

約数の個数: 112

約数和(自身を含む): 63203328

約数和(自身を除く): 43756608

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 47, 48, 60, 64, 80, 94, 96, 120, 141, 160, 188, 192, 235, 240, 282, 320, 376, 431, 470, 480, 564, 705, 752, 862, 940, 960, 1128, 1293, 1410, 1504, 1724, 1880, 2155, 2256, 2586, 2820, 3008, 3448, 3760, 4310, 4512, 5172, 5640, 6465, 6896, 7520, 8620, 9024, 10344, 11280, 12930, 13792, 15040, 17240, 20257, 20688, 22560, 25860, 27584, 34480, 40514, 41376, 45120, 51720, 60771, 68960, 81028, 82752, 101285, 103440, 121542, 137920, 162056, 202570, 206880, 243084, 303855, 324112, 405140, 413760, 486168, 607710, 648224, 810280, 972336, 1215420, 1296448, 1620560, 1944672, 2430840, 3241120, 3889344, 4861680, 6482240, 9723360, 19446720]

約数ペア:

[(1, 19446720), (2, 9723360), (3, 6482240), (4, 4861680), (5, 3889344), (6, 3241120), (8, 2430840), (10, 1944672), (12, 1620560), (15, 1296448), (16, 1215420), (20, 972336), (24, 810280), (30, 648224), (32, 607710), (40, 486168), (47, 413760), (48, 405140), (60, 324112), (64, 303855), (80, 243084), (94, 206880), (96, 202570), (120, 162056), (141, 137920), (160, 121542), (188, 103440), (192, 101285), (235, 82752), (240, 81028), (282, 68960), (320, 60771), (376, 51720), (431, 45120), (470, 41376), (480, 40514), (564, 34480), (705, 27584), (752, 25860), (862, 22560), (940, 20688), (960, 20257), (1128, 17240), (1293, 15040), (1410, 13792), (1504, 12930), (1724, 11280), (1880, 10344), (2155, 9024), (2256, 8620), (2586, 7520), (2820, 6896), (3008, 6465), (3448, 5640), (3760, 5172), (4310, 4512)]