18655538

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{127}}^1\times {\mathrm{607}}^1$

素因数の和:758

約数の個数: 24

約数和(自身を含む): 31051776

約数和(自身を除く): 12396238

約数列:

[1, 2, 11, 22, 121, 127, 242, 254, 607, 1214, 1397, 2794, 6677, 13354, 15367, 30734, 73447, 77089, 146894, 154178, 847979, 1695958, 9327769, 18655538]

約数ペア:

[(1, 18655538), (2, 9327769), (11, 1695958), (22, 847979), (121, 154178), (127, 146894), (242, 77089), (254, 73447), (607, 30734), (1214, 15367), (1397, 13354), (2794, 6677)]