18950992011

素因数分解:

$3^3\times 7^2\times {\mathrm{53}}^1\times {\mathrm{270269}}^1$

素因数の和:270345

約数の個数: 48

約数和(自身を含む): 33275642400

約数和(自身を除く): 14324650389

約数列:

[1, 3, 7, 9, 21, 27, 49, 53, 63, 147, 159, 189, 371, 441, 477, 1113, 1323, 1431, 2597, 3339, 7791, 10017, 23373, 70119, 270269, 810807, 1891883, 2432421, 5675649, 7297263, 13243181, 14324257, 17026947, 39729543, 42972771, 51080841, 100269799, 119188629, 128918313, 300809397, 357565887, 386754939, 701888593, 902428191, 2105665779, 2707284573, 6316997337, 18950992011]

約数ペア:

[(1, 18950992011), (3, 6316997337), (7, 2707284573), (9, 2105665779), (21, 902428191), (27, 701888593), (49, 386754939), (53, 357565887), (63, 300809397), (147, 128918313), (159, 119188629), (189, 100269799), (371, 51080841), (441, 42972771), (477, 39729543), (1113, 17026947), (1323, 14324257), (1431, 13243181), (2597, 7297263), (3339, 5675649), (7791, 2432421), (10017, 1891883), (23373, 810807), (70119, 270269)]