18491924

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{420271}}^1$

素因数の和:420286

約数の個数: 12

約数和(自身を含む): 35302848

約数和(自身を除く): 16810924

約数列:

[1, 2, 4, 11, 22, 44, 420271, 840542, 1681084, 4622981, 9245962, 18491924]

約数ペア:

[(1, 18491924), (2, 9245962), (4, 4622981), (11, 1681084), (22, 840542), (44, 420271)]