19517696

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{239}}^1$

素因数の和:295

約数の個数: 72

約数和(自身を含む): 44150400

約数和(自身を除く): 24632704

約数列:

[1, 2, 4, 8, 11, 16, 22, 29, 32, 44, 58, 64, 88, 116, 128, 176, 232, 239, 256, 319, 352, 464, 478, 638, 704, 928, 956, 1276, 1408, 1856, 1912, 2552, 2629, 2816, 3712, 3824, 5104, 5258, 6931, 7424, 7648, 10208, 10516, 13862, 15296, 20416, 21032, 27724, 30592, 40832, 42064, 55448, 61184, 76241, 81664, 84128, 110896, 152482, 168256, 221792, 304964, 336512, 443584, 609928, 673024, 887168, 1219856, 1774336, 2439712, 4879424, 9758848, 19517696]

約数ペア:

[(1, 19517696), (2, 9758848), (4, 4879424), (8, 2439712), (11, 1774336), (16, 1219856), (22, 887168), (29, 673024), (32, 609928), (44, 443584), (58, 336512), (64, 304964), (88, 221792), (116, 168256), (128, 152482), (176, 110896), (232, 84128), (239, 81664), (256, 76241), (319, 61184), (352, 55448), (464, 42064), (478, 40832), (638, 30592), (704, 27724), (928, 21032), (956, 20416), (1276, 15296), (1408, 13862), (1856, 10516), (1912, 10208), (2552, 7648), (2629, 7424), (2816, 6931), (3712, 5258), (3824, 5104)]