18697528

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{307}}^1\times {\mathrm{331}}^1$

素因数の和:667

約数の個数: 32

約数和(自身を含む): 36812160

約数和(自身を除く): 18114632

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 307, 331, 614, 662, 1228, 1324, 2456, 2648, 7061, 7613, 14122, 15226, 28244, 30452, 56488, 60904, 101617, 203234, 406468, 812936, 2337191, 4674382, 9348764, 18697528]

約数ペア:

[(1, 18697528), (2, 9348764), (4, 4674382), (8, 2337191), (23, 812936), (46, 406468), (92, 203234), (184, 101617), (307, 60904), (331, 56488), (614, 30452), (662, 28244), (1228, 15226), (1324, 14122), (2456, 7613), (2648, 7061)]