19404678

素因数分解:

$2^1\times 3^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{439}}^1$

素因数の和:636

約数の個数: 32

約数和(自身を含む): 39916800

約数和(自身を除く): 20512122

約数列:

[1, 2, 3, 6, 53, 106, 139, 159, 278, 318, 417, 439, 834, 878, 1317, 2634, 7367, 14734, 22101, 23267, 44202, 46534, 61021, 69801, 122042, 139602, 183063, 366126, 3234113, 6468226, 9702339, 19404678]

約数ペア:

[(1, 19404678), (2, 9702339), (3, 6468226), (6, 3234113), (53, 366126), (106, 183063), (139, 139602), (159, 122042), (278, 69801), (318, 61021), (417, 46534), (439, 44202), (834, 23267), (878, 22101), (1317, 14734), (2634, 7367)]