19315856

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{313}}^1$

素因数の和:376

約数の個数: 80

約数和(自身を含む): 46723200

約数和(自身を除く): 27407344

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 29, 38, 56, 58, 76, 112, 116, 133, 152, 203, 232, 266, 304, 313, 406, 464, 532, 551, 626, 812, 1064, 1102, 1252, 1624, 2128, 2191, 2204, 2504, 3248, 3857, 4382, 4408, 5008, 5947, 7714, 8764, 8816, 9077, 11894, 15428, 17528, 18154, 23788, 30856, 35056, 36308, 41629, 47576, 61712, 63539, 72616, 83258, 95152, 127078, 145232, 166516, 172463, 254156, 333032, 344926, 508312, 666064, 689852, 1016624, 1207241, 1379704, 2414482, 2759408, 4828964, 9657928, 19315856]

約数ペア:

[(1, 19315856), (2, 9657928), (4, 4828964), (7, 2759408), (8, 2414482), (14, 1379704), (16, 1207241), (19, 1016624), (28, 689852), (29, 666064), (38, 508312), (56, 344926), (58, 333032), (76, 254156), (112, 172463), (116, 166516), (133, 145232), (152, 127078), (203, 95152), (232, 83258), (266, 72616), (304, 63539), (313, 61712), (406, 47576), (464, 41629), (532, 36308), (551, 35056), (626, 30856), (812, 23788), (1064, 18154), (1102, 17528), (1252, 15428), (1624, 11894), (2128, 9077), (2191, 8816), (2204, 8764), (2504, 7714), (3248, 5947), (3857, 5008), (4382, 4408)]