18577372

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{131}}^1\times {\mathrm{293}}^1$

素因数の和:450

約数の個数: 36

約数和(自身を含む): 36130248

約数和(自身を除く): 17552876

約数列:

[1, 2, 4, 11, 22, 44, 121, 131, 242, 262, 293, 484, 524, 586, 1172, 1441, 2882, 3223, 5764, 6446, 12892, 15851, 31702, 35453, 38383, 63404, 70906, 76766, 141812, 153532, 422213, 844426, 1688852, 4644343, 9288686, 18577372]

約数ペア:

[(1, 18577372), (2, 9288686), (4, 4644343), (11, 1688852), (22, 844426), (44, 422213), (121, 153532), (131, 141812), (242, 76766), (262, 70906), (293, 63404), (484, 38383), (524, 35453), (586, 31702), (1172, 15851), (1441, 12892), (2882, 6446), (3223, 5764)]