18858196

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{16427}}^1$

素因数の和:16479

約数の個数: 24

約数和(自身を含む): 38638656

約数和(自身を除く): 19780460

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574, 1148, 16427, 32854, 65708, 114989, 229978, 459956, 673507, 1347014, 2694028, 4714549, 9429098, 18858196]

約数ペア:

[(1, 18858196), (2, 9429098), (4, 4714549), (7, 2694028), (14, 1347014), (28, 673507), (41, 459956), (82, 229978), (164, 114989), (287, 65708), (574, 32854), (1148, 16427)]