19290187

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{3373}}^1$

素因数の和:3442

約数の個数: 16

約数和(自身を含む): 23752960

約数和(自身を除く): 4462773

約数列:

[1, 7, 19, 43, 133, 301, 817, 3373, 5719, 23611, 64087, 145039, 448609, 1015273, 2755741, 19290187]

約数ペア:

[(1, 19290187), (7, 2755741), (19, 1015273), (43, 448609), (133, 145039), (301, 64087), (817, 23611), (3373, 5719)]