18757712

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{61703}}^1$

素因数の和:61730

約数の個数: 20

約数和(自身を含む): 38256480

約数和(自身を除く): 19498768

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 61703, 123406, 246812, 493624, 987248, 1172357, 2344714, 4689428, 9378856, 18757712]

約数ペア:

[(1, 18757712), (2, 9378856), (4, 4689428), (8, 2344714), (16, 1172357), (19, 987248), (38, 493624), (76, 246812), (152, 123406), (304, 61703)]