19321988

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{16831}}^1$

素因数の和:16883

約数の個数: 24

約数和(自身を含む): 39588864

約数和(自身を除く): 20266876

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574, 1148, 16831, 33662, 67324, 117817, 235634, 471268, 690071, 1380142, 2760284, 4830497, 9660994, 19321988]

約数ペア:

[(1, 19321988), (2, 9660994), (4, 4830497), (7, 2760284), (14, 1380142), (28, 690071), (41, 471268), (82, 235634), (164, 117817), (287, 67324), (574, 33662), (1148, 16831)]