19720096

素因数分解:

$2^5\times {\mathrm{11}}^3\times {\mathrm{463}}^1$

素因数の和:506

約数の個数: 48

約数和(自身を含む): 42795648

約数和(自身を除く): 23075552

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 121, 176, 242, 352, 463, 484, 926, 968, 1331, 1852, 1936, 2662, 3704, 3872, 5093, 5324, 7408, 10186, 10648, 14816, 20372, 21296, 40744, 42592, 56023, 81488, 112046, 162976, 224092, 448184, 616253, 896368, 1232506, 1792736, 2465012, 4930024, 9860048, 19720096]

約数ペア:

[(1, 19720096), (2, 9860048), (4, 4930024), (8, 2465012), (11, 1792736), (16, 1232506), (22, 896368), (32, 616253), (44, 448184), (88, 224092), (121, 162976), (176, 112046), (242, 81488), (352, 56023), (463, 42592), (484, 40744), (926, 21296), (968, 20372), (1331, 14816), (1852, 10648), (1936, 10186), (2662, 7408), (3704, 5324), (3872, 5093)]