18518956

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{1993}}^1$

素因数の和:2121

約数の個数: 24

約数和(自身を含む): 34169184

約数和(自身を除く): 15650228

約数列:

[1, 2, 4, 23, 46, 92, 101, 202, 404, 1993, 2323, 3986, 4646, 7972, 9292, 45839, 91678, 183356, 201293, 402586, 805172, 4629739, 9259478, 18518956]

約数ペア:

[(1, 18518956), (2, 9259478), (4, 4629739), (23, 805172), (46, 402586), (92, 201293), (101, 183356), (202, 91678), (404, 45839), (1993, 9292), (2323, 7972), (3986, 4646)]