18923480

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{307}}^1$

素因数の和:408

約数の個数: 64

約数和(自身を含む): 45239040

約数和(自身を除く): 26315560

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 67, 92, 115, 134, 184, 230, 268, 307, 335, 460, 536, 614, 670, 920, 1228, 1340, 1535, 1541, 2456, 2680, 3070, 3082, 6140, 6164, 7061, 7705, 12280, 12328, 14122, 15410, 20569, 28244, 30820, 35305, 41138, 56488, 61640, 70610, 82276, 102845, 141220, 164552, 205690, 282440, 411380, 473087, 822760, 946174, 1892348, 2365435, 3784696, 4730870, 9461740, 18923480]

約数ペア:

[(1, 18923480), (2, 9461740), (4, 4730870), (5, 3784696), (8, 2365435), (10, 1892348), (20, 946174), (23, 822760), (40, 473087), (46, 411380), (67, 282440), (92, 205690), (115, 164552), (134, 141220), (184, 102845), (230, 82276), (268, 70610), (307, 61640), (335, 56488), (460, 41138), (536, 35305), (614, 30820), (670, 28244), (920, 20569), (1228, 15410), (1340, 14122), (1535, 12328), (1541, 12280), (2456, 7705), (2680, 7061), (3070, 6164), (3082, 6140)]