19718523

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{953}}^1$

素因数の和:1000

約数の個数: 36

約数和(自身を含む): 32989320

約数和(自身を除く): 13270797

約数列:

[1, 3, 9, 11, 19, 33, 57, 99, 121, 171, 209, 363, 627, 953, 1089, 1881, 2299, 2859, 6897, 8577, 10483, 18107, 20691, 31449, 54321, 94347, 115313, 162963, 199177, 345939, 597531, 1037817, 1792593, 2190947, 6572841, 19718523]

約数ペア:

[(1, 19718523), (3, 6572841), (9, 2190947), (11, 1792593), (19, 1037817), (33, 597531), (57, 345939), (99, 199177), (121, 162963), (171, 115313), (209, 94347), (363, 54321), (627, 31449), (953, 20691), (1089, 18107), (1881, 10483), (2299, 8577), (2859, 6897)]