18794446

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{2099}}^1$

素因数の和:2160

約数の個数: 24

約数和(自身を含む): 31840200

約数和(自身を除く): 13045754

約数列:

[1, 2, 11, 22, 37, 74, 121, 242, 407, 814, 2099, 4198, 4477, 8954, 23089, 46178, 77663, 155326, 253979, 507958, 854293, 1708586, 9397223, 18794446]

約数ペア:

[(1, 18794446), (2, 9397223), (11, 1708586), (22, 854293), (37, 507958), (74, 253979), (121, 155326), (242, 77663), (407, 46178), (814, 23089), (2099, 8954), (4198, 4477)]