219869012

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{17783}}^1$

素因数の和:18079

約数の個数: 24

約数和(自身を含む): 421267392

約数和(自身を除く): 201398380

約数列:

[1, 2, 4, 11, 22, 44, 281, 562, 1124, 3091, 6182, 12364, 17783, 35566, 71132, 195613, 391226, 782452, 4997023, 9994046, 19988092, 54967253, 109934506, 219869012]

約数ペア:

[(1, 219869012), (2, 109934506), (4, 54967253), (11, 19988092), (22, 9994046), (44, 4997023), (281, 782452), (562, 391226), (1124, 195613), (3091, 71132), (6182, 35566), (12364, 17783)]