18872788

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1097}}^1$

素因数の和:1152

約数の個数: 48

約数和(自身を含む): 39844224

約数和(自身を除く): 20971436

約数列:

[1, 2, 4, 11, 17, 22, 23, 34, 44, 46, 68, 92, 187, 253, 374, 391, 506, 748, 782, 1012, 1097, 1564, 2194, 4301, 4388, 8602, 12067, 17204, 18649, 24134, 25231, 37298, 48268, 50462, 74596, 100924, 205139, 277541, 410278, 428927, 555082, 820556, 857854, 1110164, 1715708, 4718197, 9436394, 18872788]

約数ペア:

[(1, 18872788), (2, 9436394), (4, 4718197), (11, 1715708), (17, 1110164), (22, 857854), (23, 820556), (34, 555082), (44, 428927), (46, 410278), (68, 277541), (92, 205139), (187, 100924), (253, 74596), (374, 50462), (391, 48268), (506, 37298), (748, 25231), (782, 24134), (1012, 18649), (1097, 17204), (1564, 12067), (2194, 8602), (4301, 4388)]