16519428

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{281}}^1$

素因数の和:385

約数の個数: 72

約数和(自身を含む): 44343936

約数和(自身を除く): 27824508

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 71, 92, 138, 142, 207, 213, 276, 281, 284, 414, 426, 562, 639, 828, 843, 852, 1124, 1278, 1633, 1686, 2529, 2556, 3266, 3372, 4899, 5058, 6463, 6532, 9798, 10116, 12926, 14697, 19389, 19596, 19951, 25852, 29394, 38778, 39902, 58167, 58788, 59853, 77556, 79804, 116334, 119706, 179559, 232668, 239412, 359118, 458873, 718236, 917746, 1376619, 1835492, 2753238, 4129857, 5506476, 8259714, 16519428]

約数ペア:

[(1, 16519428), (2, 8259714), (3, 5506476), (4, 4129857), (6, 2753238), (9, 1835492), (12, 1376619), (18, 917746), (23, 718236), (36, 458873), (46, 359118), (69, 239412), (71, 232668), (92, 179559), (138, 119706), (142, 116334), (207, 79804), (213, 77556), (276, 59853), (281, 58788), (284, 58167), (414, 39902), (426, 38778), (562, 29394), (639, 25852), (828, 19951), (843, 19596), (852, 19389), (1124, 14697), (1278, 12926), (1633, 10116), (1686, 9798), (2529, 6532), (2556, 6463), (3266, 5058), (3372, 4899)]