19528536

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{149}}^1$

素因数の和:328

約数の個数: 64

約数和(自身を含む): 50688000

約数和(自身を除く): 31159464

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 127, 129, 149, 172, 254, 258, 298, 344, 381, 447, 508, 516, 596, 762, 894, 1016, 1032, 1192, 1524, 1788, 3048, 3576, 5461, 6407, 10922, 12814, 16383, 18923, 19221, 21844, 25628, 32766, 37846, 38442, 43688, 51256, 56769, 65532, 75692, 76884, 113538, 131064, 151384, 153768, 227076, 454152, 813689, 1627378, 2441067, 3254756, 4882134, 6509512, 9764268, 19528536]

約数ペア:

[(1, 19528536), (2, 9764268), (3, 6509512), (4, 4882134), (6, 3254756), (8, 2441067), (12, 1627378), (24, 813689), (43, 454152), (86, 227076), (127, 153768), (129, 151384), (149, 131064), (172, 113538), (254, 76884), (258, 75692), (298, 65532), (344, 56769), (381, 51256), (447, 43688), (508, 38442), (516, 37846), (596, 32766), (762, 25628), (894, 21844), (1016, 19221), (1032, 18923), (1192, 16383), (1524, 12814), (1788, 10922), (3048, 6407), (3576, 5461)]