18274192

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{313}}^1$

素因数の和:451

約数の個数: 40

約数和(自身を含む): 36794520

約数和(自身を除く): 18520328

約数列:

[1, 2, 4, 8, 16, 41, 82, 89, 164, 178, 313, 328, 356, 626, 656, 712, 1252, 1424, 2504, 3649, 5008, 7298, 12833, 14596, 25666, 27857, 29192, 51332, 55714, 58384, 102664, 111428, 205328, 222856, 445712, 1142137, 2284274, 4568548, 9137096, 18274192]

約数ペア:

[(1, 18274192), (2, 9137096), (4, 4568548), (8, 2284274), (16, 1142137), (41, 445712), (82, 222856), (89, 205328), (164, 111428), (178, 102664), (313, 58384), (328, 55714), (356, 51332), (626, 29192), (656, 27857), (712, 25666), (1252, 14596), (1424, 12833), (2504, 7298), (3649, 5008)]