18955376

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{9791}}^1$

素因数の和:9821

約数の個数: 30

約数和(自身を含む): 40372416

約数和(自身を除く): 21417040

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 121, 176, 242, 484, 968, 1936, 9791, 19582, 39164, 78328, 107701, 156656, 215402, 430804, 861608, 1184711, 1723216, 2369422, 4738844, 9477688, 18955376]

約数ペア:

[(1, 18955376), (2, 9477688), (4, 4738844), (8, 2369422), (11, 1723216), (16, 1184711), (22, 861608), (44, 430804), (88, 215402), (121, 156656), (176, 107701), (242, 78328), (484, 39164), (968, 19582), (1936, 9791)]