19520784

素因数分解:

$2^4\times 3^3\times {\mathrm{73}}^1\times {\mathrm{619}}^1$

素因数の和:709

約数の個数: 80

約数和(自身を含む): 56891200

約数和(自身を除く): 37370416

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 73, 108, 144, 146, 216, 219, 292, 432, 438, 584, 619, 657, 876, 1168, 1238, 1314, 1752, 1857, 1971, 2476, 2628, 3504, 3714, 3942, 4952, 5256, 5571, 7428, 7884, 9904, 10512, 11142, 14856, 15768, 16713, 22284, 29712, 31536, 33426, 44568, 45187, 66852, 89136, 90374, 133704, 135561, 180748, 267408, 271122, 361496, 406683, 542244, 722992, 813366, 1084488, 1220049, 1626732, 2168976, 2440098, 3253464, 4880196, 6506928, 9760392, 19520784]

約数ペア:

[(1, 19520784), (2, 9760392), (3, 6506928), (4, 4880196), (6, 3253464), (8, 2440098), (9, 2168976), (12, 1626732), (16, 1220049), (18, 1084488), (24, 813366), (27, 722992), (36, 542244), (48, 406683), (54, 361496), (72, 271122), (73, 267408), (108, 180748), (144, 135561), (146, 133704), (216, 90374), (219, 89136), (292, 66852), (432, 45187), (438, 44568), (584, 33426), (619, 31536), (657, 29712), (876, 22284), (1168, 16713), (1238, 15768), (1314, 14856), (1752, 11142), (1857, 10512), (1971, 9904), (2476, 7884), (2628, 7428), (3504, 5571), (3714, 5256), (3942, 4952)]