19097457

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1$

素因数の和:233

約数の個数: 32

約数和(自身を含む): 27847680

約数和(自身を除く): 8750223

約数列:

[1, 3, 29, 31, 73, 87, 93, 97, 219, 291, 899, 2117, 2263, 2697, 2813, 3007, 6351, 6789, 7081, 8439, 9021, 21243, 65627, 87203, 196881, 205349, 219511, 261609, 616047, 658533, 6365819, 19097457]

約数ペア:

[(1, 19097457), (3, 6365819), (29, 658533), (31, 616047), (73, 261609), (87, 219511), (93, 205349), (97, 196881), (219, 87203), (291, 65627), (899, 21243), (2117, 9021), (2263, 8439), (2697, 7081), (2813, 6789), (3007, 6351)]