18998452

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{2309}}^1$

素因数の和:2352

約数の個数: 36

約数和(自身を含む): 38710980

約数和(自身を除く): 19712528

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 121, 187, 242, 374, 484, 748, 2057, 2309, 4114, 4618, 8228, 9236, 25399, 39253, 50798, 78506, 101596, 157012, 279389, 431783, 558778, 863566, 1117556, 1727132, 4749613, 9499226, 18998452]

約数ペア:

[(1, 18998452), (2, 9499226), (4, 4749613), (11, 1727132), (17, 1117556), (22, 863566), (34, 558778), (44, 431783), (68, 279389), (121, 157012), (187, 101596), (242, 78506), (374, 50798), (484, 39253), (748, 25399), (2057, 9236), (2309, 8228), (4114, 4618)]