19702728

素因数分解:

$2^3\times 3^2\times {\mathrm{17}}^1\times {\mathrm{16097}}^1$

素因数の和:16126

約数の個数: 48

約数和(自身を含む): 56503980

約数和(自身を除く): 36801252

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 34, 36, 51, 68, 72, 102, 136, 153, 204, 306, 408, 612, 1224, 16097, 32194, 48291, 64388, 96582, 128776, 144873, 193164, 273649, 289746, 386328, 547298, 579492, 820947, 1094596, 1158984, 1641894, 2189192, 2462841, 3283788, 4925682, 6567576, 9851364, 19702728]

約数ペア:

[(1, 19702728), (2, 9851364), (3, 6567576), (4, 4925682), (6, 3283788), (8, 2462841), (9, 2189192), (12, 1641894), (17, 1158984), (18, 1094596), (24, 820947), (34, 579492), (36, 547298), (51, 386328), (68, 289746), (72, 273649), (102, 193164), (136, 144873), (153, 128776), (204, 96582), (306, 64388), (408, 48291), (612, 32194), (1224, 16097)]