19907954976

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:209

約数の個数: 768

約数和(自身を含む): 72181186560

約数和(自身を除く): 52273231584

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 19, 21, 24, 26, 28, 31, 32, 38, 39, 42, 48, 52, 53, 56, 57, 62, 73, 76, 78, 84, 91, 93, 96, 104, 106, 112, 114, 124, 133, 146, 152, 156, 159, 168, 182, 186, 208, 212, 217, 219, 224, 228, 247, 248, 266, 273, 292, 304, 312, 318, 336, 364, 371, 372, 399, 403, 416, 424, 434, 438, 456, 494, 496, 511, 532, 546, 584, 589, 608, 624, 636, 651, 672, 689, 728, 741, 742, 744, 798, 806, 848, 868, 876, 912, 949, 988, 992, 1007, 1022, 1064, 1092, 1113, 1168, 1178, 1209, 1248, 1272, 1302, 1378, 1387, 1456, 1482, 1484, 1488, 1533, 1596, 1612, 1643, 1696, 1729, 1736, 1752, 1767, 1824, 1898, 1976, 2014, 2044, 2067, 2128, 2184, 2226, 2263, 2336, 2356, 2418, 2544, 2604, 2756, 2774, 2821, 2847, 2912, 2964, 2968, 2976, 3021, 3066, 3192, 3224, 3286, 3458, 3472, 3504, 3534, 3796, 3869, 3952, 4028, 4088, 4123, 4134, 4161, 4256, 4368, 4452, 4526, 4712, 4823, 4836, 4929, 5088, 5187, 5208, 5512, 5548, 5642, 5694, 5928, 5936, 6042, 6132, 6384, 6448, 6572, 6643, 6789, 6916, 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約数ペア:

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