19813488

素因数分解:

$2^4\times 3^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1$

素因数の和:302

約数の個数: 80

約数和(自身を含む): 54210816

約数和(自身を除く): 34397328

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 46, 48, 69, 92, 131, 137, 138, 184, 262, 274, 276, 368, 393, 411, 524, 548, 552, 786, 822, 1048, 1096, 1104, 1572, 1644, 2096, 2192, 3013, 3144, 3151, 3288, 6026, 6288, 6302, 6576, 9039, 9453, 12052, 12604, 17947, 18078, 18906, 24104, 25208, 35894, 36156, 37812, 48208, 50416, 53841, 71788, 72312, 75624, 107682, 143576, 144624, 151248, 215364, 287152, 412781, 430728, 825562, 861456, 1238343, 1651124, 2476686, 3302248, 4953372, 6604496, 9906744, 19813488]

約数ペア:

[(1, 19813488), (2, 9906744), (3, 6604496), (4, 4953372), (6, 3302248), (8, 2476686), (12, 1651124), (16, 1238343), (23, 861456), (24, 825562), (46, 430728), (48, 412781), (69, 287152), (92, 215364), (131, 151248), (137, 144624), (138, 143576), (184, 107682), (262, 75624), (274, 72312), (276, 71788), (368, 53841), (393, 50416), (411, 48208), (524, 37812), (548, 36156), (552, 35894), (786, 25208), (822, 24104), (1048, 18906), (1096, 18078), (1104, 17947), (1572, 12604), (1644, 12052), (2096, 9453), (2192, 9039), (3013, 6576), (3144, 6302), (3151, 6288), (3288, 6026)]