19749936

素因数分解:

$2^4\times 3^1\times {\mathrm{257}}^1\times {\mathrm{1601}}^1$

素因数の和:1869

約数の個数: 40

約数和(自身を含む): 51251184

約数和(自身を除く): 31501248

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 257, 514, 771, 1028, 1542, 1601, 2056, 3084, 3202, 4112, 4803, 6168, 6404, 9606, 12336, 12808, 19212, 25616, 38424, 76848, 411457, 822914, 1234371, 1645828, 2468742, 3291656, 4937484, 6583312, 9874968, 19749936]

約数ペア:

[(1, 19749936), (2, 9874968), (3, 6583312), (4, 4937484), (6, 3291656), (8, 2468742), (12, 1645828), (16, 1234371), (24, 822914), (48, 411457), (257, 76848), (514, 38424), (771, 25616), (1028, 19212), (1542, 12808), (1601, 12336), (2056, 9606), (3084, 6404), (3202, 6168), (4112, 4803)]