19658090

素因数分解:

$2^1\times 5^1\times {\mathrm{331}}^1\times {\mathrm{5939}}^1$

素因数の和:6277

約数の個数: 16

約数和(自身を含む): 35497440

約数和(自身を除く): 15839350

約数列:

[1, 2, 5, 10, 331, 662, 1655, 3310, 5939, 11878, 29695, 59390, 1965809, 3931618, 9829045, 19658090]

約数ペア:

[(1, 19658090), (2, 9829045), (5, 3931618), (10, 1965809), (331, 59390), (662, 29695), (1655, 11878), (3310, 5939)]