18892984

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{173}}^1$

素因数の和:280

約数の個数: 64

約数和(自身を含む): 41718240

約数和(自身を除く): 22825256

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 68, 73, 88, 136, 146, 173, 187, 292, 346, 374, 584, 692, 748, 803, 1241, 1384, 1496, 1606, 1903, 2482, 2941, 3212, 3806, 4964, 5882, 6424, 7612, 9928, 11764, 12629, 13651, 15224, 23528, 25258, 27302, 32351, 50516, 54604, 64702, 101032, 109208, 129404, 138919, 214693, 258808, 277838, 429386, 555676, 858772, 1111352, 1717544, 2361623, 4723246, 9446492, 18892984]

約数ペア:

[(1, 18892984), (2, 9446492), (4, 4723246), (8, 2361623), (11, 1717544), (17, 1111352), (22, 858772), (34, 555676), (44, 429386), (68, 277838), (73, 258808), (88, 214693), (136, 138919), (146, 129404), (173, 109208), (187, 101032), (292, 64702), (346, 54604), (374, 50516), (584, 32351), (692, 27302), (748, 25258), (803, 23528), (1241, 15224), (1384, 13651), (1496, 12629), (1606, 11764), (1903, 9928), (2482, 7612), (2941, 6424), (3212, 5882), (3806, 4964)]