18935931

素因数分解:

$3^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{4721}}^1$

素因数の和:4922

約数の個数: 16

約数和(自身を含む): 29011968

約数和(自身を除く): 10076037

約数列:

[1, 3, 7, 21, 191, 573, 1337, 4011, 4721, 14163, 33047, 99141, 901711, 2705133, 6311977, 18935931]

約数ペア:

[(1, 18935931), (3, 6311977), (7, 2705133), (21, 901711), (191, 99141), (573, 33047), (1337, 14163), (4011, 4721)]