2018757771

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1$

素因数の和:325

約数の個数: 96

約数和(自身を含む): 3340247040

約数和(自身を除く): 1321489269

約数列:

[1, 3, 9, 19, 23, 47, 57, 67, 69, 141, 163, 171, 201, 207, 423, 437, 489, 603, 893, 1081, 1273, 1311, 1467, 1541, 2679, 3097, 3149, 3243, 3749, 3819, 3933, 4623, 7661, 8037, 9291, 9447, 9729, 10921, 11247, 11457, 13869, 20539, 22983, 27873, 28341, 29279, 32763, 33741, 59831, 61617, 68949, 71231, 72427, 87837, 98289, 145559, 176203, 179493, 184851, 207499, 213693, 217281, 251183, 263511, 436677, 513287, 528609, 538479, 622497, 641079, 651843, 753549, 1310031, 1376113, 1539861, 1585827, 1867491, 2260647, 3347857, 4128339, 4619583, 4772477, 9752453, 10043571, 11805601, 12385017, 14317431, 29257359, 30130713, 35416803, 42952293, 87772077, 106250409, 224306419, 672919257, 2018757771]

約数ペア:

[(1, 2018757771), (3, 672919257), (9, 224306419), (19, 106250409), (23, 87772077), (47, 42952293), (57, 35416803), (67, 30130713), (69, 29257359), (141, 14317431), (163, 12385017), (171, 11805601), (201, 10043571), (207, 9752453), (423, 4772477), (437, 4619583), (489, 4128339), (603, 3347857), (893, 2260647), (1081, 1867491), (1273, 1585827), (1311, 1539861), (1467, 1376113), (1541, 1310031), (2679, 753549), (3097, 651843), (3149, 641079), (3243, 622497), (3749, 538479), (3819, 528609), (3933, 513287), (4623, 436677), (7661, 263511), (8037, 251183), (9291, 217281), (9447, 213693), (9729, 207499), (10921, 184851), (11247, 179493), (11457, 176203), (13869, 145559), (20539, 98289), (22983, 87837), (27873, 72427), (28341, 71231), (29279, 68949), (32763, 61617), (33741, 59831)]