19816966

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{4211}}^1$

素因数の和:4407

約数の個数: 16

約数和(自身を含む): 32196528

約数和(自身を除く): 12379562

約数列:

[1, 2, 13, 26, 181, 362, 2353, 4211, 4706, 8422, 54743, 109486, 762191, 1524382, 9908483, 19816966]

約数ペア:

[(1, 19816966), (2, 9908483), (13, 1524382), (26, 762191), (181, 109486), (362, 54743), (2353, 8422), (4211, 4706)]