19499211

素因数分解:

$3^4\times {\mathrm{67}}^1\times {\mathrm{3593}}^1$

素因数の和:3672

約数の個数: 20

約数和(自身を含む): 29571432

約数和(自身を除く): 10072221

約数列:

[1, 3, 9, 27, 67, 81, 201, 603, 1809, 3593, 5427, 10779, 32337, 97011, 240731, 291033, 722193, 2166579, 6499737, 19499211]

約数ペア:

[(1, 19499211), (3, 6499737), (9, 2166579), (27, 722193), (67, 291033), (81, 240731), (201, 97011), (603, 32337), (1809, 10779), (3593, 5427)]