18992985

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{1951}}^1$

素因数の和:2029

約数の個数: 32

約数和(自身を含む): 33730560

約数和(自身を除く): 14737575

約数列:

[1, 3, 5, 11, 15, 33, 55, 59, 165, 177, 295, 649, 885, 1947, 1951, 3245, 5853, 9735, 9755, 21461, 29265, 64383, 107305, 115109, 321915, 345327, 575545, 1266199, 1726635, 3798597, 6330995, 18992985]

約数ペア:

[(1, 18992985), (3, 6330995), (5, 3798597), (11, 1726635), (15, 1266199), (33, 575545), (55, 345327), (59, 321915), (165, 115109), (177, 107305), (295, 64383), (649, 29265), (885, 21461), (1947, 9755), (1951, 9735), (3245, 5853)]