20161257219

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{467}}^1\times {\mathrm{14851}}^1$

素因数の和:15360

約数の個数: 48

約数和(自身を含む): 32529444480

約数和(自身を除く): 12368187261

約数列:

[1, 3, 9, 17, 19, 51, 57, 153, 171, 323, 467, 969, 1401, 2907, 4203, 7939, 8873, 14851, 23817, 26619, 44553, 71451, 79857, 133659, 150841, 252467, 282169, 452523, 757401, 846507, 1357569, 2272203, 2539521, 4796873, 6935417, 14390619, 20806251, 43171857, 62418753, 117902089, 131772923, 353706267, 395318769, 1061118801, 1185956307, 2240139691, 6720419073, 20161257219]

約数ペア:

[(1, 20161257219), (3, 6720419073), (9, 2240139691), (17, 1185956307), (19, 1061118801), (51, 395318769), (57, 353706267), (153, 131772923), (171, 117902089), (323, 62418753), (467, 43171857), (969, 20806251), (1401, 14390619), (2907, 6935417), (4203, 4796873), (7939, 2539521), (8873, 2272203), (14851, 1357569), (23817, 846507), (26619, 757401), (44553, 452523), (71451, 282169), (79857, 252467), (133659, 150841)]