18745144

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{277}}^1\times {\mathrm{769}}^1$

素因数の和:1063

約数の個数: 32

約数和(自身を含む): 38530800

約数和(自身を除く): 19785656

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 277, 554, 769, 1108, 1538, 2216, 3047, 3076, 6094, 6152, 8459, 12188, 16918, 24376, 33836, 67672, 213013, 426026, 852052, 1704104, 2343143, 4686286, 9372572, 18745144]

約数ペア:

[(1, 18745144), (2, 9372572), (4, 4686286), (8, 2343143), (11, 1704104), (22, 852052), (44, 426026), (88, 213013), (277, 67672), (554, 33836), (769, 24376), (1108, 16918), (1538, 12188), (2216, 8459), (3047, 6152), (3076, 6094)]