19939078

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{211}}^1\times {\mathrm{1277}}^1$

素因数の和:1527

約数の個数: 16

約数和(自身を含む): 30886704

約数和(自身を除く): 10947626

約数列:

[1, 2, 37, 74, 211, 422, 1277, 2554, 7807, 15614, 47249, 94498, 269447, 538894, 9969539, 19939078]

約数ペア:

[(1, 19939078), (2, 9969539), (37, 538894), (74, 269447), (211, 94498), (422, 47249), (1277, 15614), (2554, 7807)]