17963379

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{349}}^1$

素因数の和:424

約数の個数: 48

約数和(自身を含む): 32032000

約数和(自身を除く): 14068621

約数列:

[1, 3, 7, 9, 19, 21, 43, 57, 63, 129, 133, 171, 301, 349, 387, 399, 817, 903, 1047, 1197, 2443, 2451, 2709, 3141, 5719, 6631, 7329, 7353, 15007, 17157, 19893, 21987, 45021, 46417, 51471, 59679, 105049, 135063, 139251, 285133, 315147, 417753, 855399, 945441, 1995931, 2566197, 5987793, 17963379]

約数ペア:

[(1, 17963379), (3, 5987793), (7, 2566197), (9, 1995931), (19, 945441), (21, 855399), (43, 417753), (57, 315147), (63, 285133), (129, 139251), (133, 135063), (171, 105049), (301, 59679), (349, 51471), (387, 46417), (399, 45021), (817, 21987), (903, 19893), (1047, 17157), (1197, 15007), (2443, 7353), (2451, 7329), (2709, 6631), (3141, 5719)]