16820586

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{359}}^1$

素因数の和:523

約数の個数: 48

約数和(自身を含む): 38750400

約数和(自身を除く): 21929814

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 137, 171, 274, 342, 359, 411, 718, 822, 1077, 1233, 2154, 2466, 2603, 3231, 5206, 6462, 6821, 7809, 13642, 15618, 20463, 23427, 40926, 46854, 49183, 61389, 98366, 122778, 147549, 295098, 442647, 885294, 934477, 1868954, 2803431, 5606862, 8410293, 16820586]

約数ペア:

[(1, 16820586), (2, 8410293), (3, 5606862), (6, 2803431), (9, 1868954), (18, 934477), (19, 885294), (38, 442647), (57, 295098), (114, 147549), (137, 122778), (171, 98366), (274, 61389), (342, 49183), (359, 46854), (411, 40926), (718, 23427), (822, 20463), (1077, 15618), (1233, 13642), (2154, 7809), (2466, 6821), (2603, 6462), (3231, 5206)]