19596555

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:153

約数の個数: 72

約数和(自身を含む): 38591280

約数和(自身を除く): 18994725

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 59, 61, 99, 121, 165, 177, 183, 295, 305, 363, 495, 531, 549, 605, 649, 671, 885, 915, 1089, 1815, 1947, 2013, 2655, 2745, 3245, 3355, 3599, 5445, 5841, 6039, 7139, 7381, 9735, 10065, 10797, 17995, 21417, 22143, 29205, 30195, 32391, 35695, 36905, 39589, 53985, 64251, 66429, 107085, 110715, 118767, 161955, 197945, 321255, 332145, 356301, 435479, 593835, 1306437, 1781505, 2177395, 3919311, 6532185, 19596555]

約数ペア:

[(1, 19596555), (3, 6532185), (5, 3919311), (9, 2177395), (11, 1781505), (15, 1306437), (33, 593835), (45, 435479), (55, 356301), (59, 332145), (61, 321255), (99, 197945), (121, 161955), (165, 118767), (177, 110715), (183, 107085), (295, 66429), (305, 64251), (363, 53985), (495, 39589), (531, 36905), (549, 35695), (605, 32391), (649, 30195), (671, 29205), (885, 22143), (915, 21417), (1089, 17995), (1815, 10797), (1947, 10065), (2013, 9735), (2655, 7381), (2745, 7139), (3245, 6039), (3355, 5841), (3599, 5445)]