18635967

素因数分解:

$3^3\times 7^1\times {\mathrm{151}}^1\times {\mathrm{653}}^1$

素因数の和:820

約数の個数: 32

約数和(自身を含む): 31810560

約数和(自身を除く): 13174593

約数列:

[1, 3, 7, 9, 21, 27, 63, 151, 189, 453, 653, 1057, 1359, 1959, 3171, 4077, 4571, 5877, 9513, 13713, 17631, 28539, 41139, 98603, 123417, 295809, 690221, 887427, 2070663, 2662281, 6211989, 18635967]

約数ペア:

[(1, 18635967), (3, 6211989), (7, 2662281), (9, 2070663), (21, 887427), (27, 690221), (63, 295809), (151, 123417), (189, 98603), (453, 41139), (653, 28539), (1057, 17631), (1359, 13713), (1959, 9513), (3171, 5877), (4077, 4571)]