18017188

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{277}}^1$

素因数の和:412

約数の個数: 48

約数和(自身を含む): 38110464

約数和(自身を除く): 20093276

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 101, 161, 202, 277, 322, 404, 554, 644, 707, 1108, 1414, 1939, 2323, 2828, 3878, 4646, 6371, 7756, 9292, 12742, 16261, 25484, 27977, 32522, 44597, 55954, 65044, 89194, 111908, 178388, 195839, 391678, 643471, 783356, 1286942, 2573884, 4504297, 9008594, 18017188]

約数ペア:

[(1, 18017188), (2, 9008594), (4, 4504297), (7, 2573884), (14, 1286942), (23, 783356), (28, 643471), (46, 391678), (92, 195839), (101, 178388), (161, 111908), (202, 89194), (277, 65044), (322, 55954), (404, 44597), (554, 32522), (644, 27977), (707, 25484), (1108, 16261), (1414, 12742), (1939, 9292), (2323, 7756), (2828, 6371), (3878, 4646)]