18862384

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2237}}^1$

素因数の和:2293

約数の個数: 40

約数和(自身を含む): 39961728

約数和(自身を除く): 21099344

約数列:

[1, 2, 4, 8, 16, 17, 31, 34, 62, 68, 124, 136, 248, 272, 496, 527, 1054, 2108, 2237, 4216, 4474, 8432, 8948, 17896, 35792, 38029, 69347, 76058, 138694, 152116, 277388, 304232, 554776, 608464, 1109552, 1178899, 2357798, 4715596, 9431192, 18862384]

約数ペア:

[(1, 18862384), (2, 9431192), (4, 4715596), (8, 2357798), (16, 1178899), (17, 1109552), (31, 608464), (34, 554776), (62, 304232), (68, 277388), (124, 152116), (136, 138694), (248, 76058), (272, 69347), (496, 38029), (527, 35792), (1054, 17896), (2108, 8948), (2237, 8432), (4216, 4474)]