19939244

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{547}}^1\times {\mathrm{701}}^1$

素因数の和:1265

約数の個数: 24

約数和(自身を含む): 37700208

約数和(自身を除く): 17760964

約数列:

[1, 2, 4, 13, 26, 52, 547, 701, 1094, 1402, 2188, 2804, 7111, 9113, 14222, 18226, 28444, 36452, 383447, 766894, 1533788, 4984811, 9969622, 19939244]

約数ペア:

[(1, 19939244), (2, 9969622), (4, 4984811), (13, 1533788), (26, 766894), (52, 383447), (547, 36452), (701, 28444), (1094, 18226), (1402, 14222), (2188, 9113), (2804, 7111)]