19787042

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{461}}^1\times {\mathrm{1951}}^1$

素因数の和:2425

約数の個数: 16

約数和(自身を含む): 32465664

約数和(自身を除く): 12678622

約数列:

[1, 2, 11, 22, 461, 922, 1951, 3902, 5071, 10142, 21461, 42922, 899411, 1798822, 9893521, 19787042]

約数ペア:

[(1, 19787042), (2, 9893521), (11, 1798822), (22, 899411), (461, 42922), (922, 21461), (1951, 10142), (3902, 5071)]