19304505

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{661}}^1$

素因数の和:742

約数の個数: 48

約数和(自身を含む): 37177920

約数和(自身を除く): 17873415

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 59, 99, 165, 177, 295, 495, 531, 649, 661, 885, 1947, 1983, 2655, 3245, 3305, 5841, 5949, 7271, 9735, 9915, 21813, 29205, 29745, 36355, 38999, 65439, 109065, 116997, 194995, 327195, 350991, 428989, 584985, 1286967, 1754955, 2144945, 3860901, 6434835, 19304505]

約数ペア:

[(1, 19304505), (3, 6434835), (5, 3860901), (9, 2144945), (11, 1754955), (15, 1286967), (33, 584985), (45, 428989), (55, 350991), (59, 327195), (99, 194995), (165, 116997), (177, 109065), (295, 65439), (495, 38999), (531, 36355), (649, 29745), (661, 29205), (885, 21813), (1947, 9915), (1983, 9735), (2655, 7271), (3245, 5949), (3305, 5841)]