19397961

素因数分解:

$3^6\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1$

素因数の和:129

約数の個数: 56

約数和(自身を含む): 33052320

約数和(自身を除く): 13654359

約数列:

[1, 3, 9, 11, 27, 33, 41, 59, 81, 99, 123, 177, 243, 297, 369, 451, 531, 649, 729, 891, 1107, 1353, 1593, 1947, 2419, 2673, 3321, 4059, 4779, 5841, 7257, 8019, 9963, 12177, 14337, 17523, 21771, 26609, 29889, 36531, 43011, 52569, 65313, 79827, 109593, 157707, 195939, 239481, 328779, 473121, 587817, 718443, 1763451, 2155329, 6465987, 19397961]

約数ペア:

[(1, 19397961), (3, 6465987), (9, 2155329), (11, 1763451), (27, 718443), (33, 587817), (41, 473121), (59, 328779), (81, 239481), (99, 195939), (123, 157707), (177, 109593), (243, 79827), (297, 65313), (369, 52569), (451, 43011), (531, 36531), (649, 29889), (729, 26609), (891, 21771), (1107, 17523), (1353, 14337), (1593, 12177), (1947, 9963), (2419, 8019), (2673, 7257), (3321, 5841), (4059, 4779)]