19968768

素因数分解:

$2^8\times 3^6\times {\mathrm{107}}^1$

素因数の和:141

約数の個数: 126

約数和(自身を含む): 60320484

約数和(自身を除く): 40351716

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 107, 108, 128, 144, 162, 192, 214, 216, 243, 256, 288, 321, 324, 384, 428, 432, 486, 576, 642, 648, 729, 768, 856, 864, 963, 972, 1152, 1284, 1296, 1458, 1712, 1728, 1926, 1944, 2304, 2568, 2592, 2889, 2916, 3424, 3456, 3852, 3888, 5136, 5184, 5778, 5832, 6848, 6912, 7704, 7776, 8667, 10272, 10368, 11556, 11664, 13696, 15408, 15552, 17334, 20544, 20736, 23112, 23328, 26001, 27392, 30816, 31104, 34668, 41088, 46224, 46656, 52002, 61632, 62208, 69336, 78003, 82176, 92448, 93312, 104004, 123264, 138672, 156006, 184896, 186624, 208008, 246528, 277344, 312012, 369792, 416016, 554688, 624024, 739584, 832032, 1109376, 1248048, 1664064, 2218752, 2496096, 3328128, 4992192, 6656256, 9984384, 19968768]

約数ペア:

[(1, 19968768), (2, 9984384), (3, 6656256), (4, 4992192), (6, 3328128), (8, 2496096), (9, 2218752), (12, 1664064), (16, 1248048), (18, 1109376), (24, 832032), (27, 739584), (32, 624024), (36, 554688), (48, 416016), (54, 369792), (64, 312012), (72, 277344), (81, 246528), (96, 208008), (107, 186624), (108, 184896), (128, 156006), (144, 138672), (162, 123264), (192, 104004), (214, 93312), (216, 92448), (243, 82176), (256, 78003), (288, 69336), (321, 62208), (324, 61632), (384, 52002), (428, 46656), (432, 46224), (486, 41088), (576, 34668), (642, 31104), (648, 30816), (729, 27392), (768, 26001), (856, 23328), (864, 23112), (963, 20736), (972, 20544), (1152, 17334), (1284, 15552), (1296, 15408), (1458, 13696), (1712, 11664), (1728, 11556), (1926, 10368), (1944, 10272), (2304, 8667), (2568, 7776), (2592, 7704), (2889, 6912), (2916, 6848), (3424, 5832), (3456, 5778), (3852, 5184), (3888, 5136)]