19460390

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{27409}}^1$

素因数の和:27487

約数の個数: 16

約数和(自身を含む): 35523360

約数和(自身を除く): 16062970

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 27409, 54818, 137045, 274090, 1946039, 3892078, 9730195, 19460390]

約数ペア:

[(1, 19460390), (2, 9730195), (5, 3892078), (10, 1946039), (71, 274090), (142, 137045), (355, 54818), (710, 27409)]