19259217

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{41}}^2\times {\mathrm{67}}^1$

素因数の和:174

約数の個数: 36

約数和(自身を含む): 30462640

約数和(自身を除く): 11203423

約数列:

[1, 3, 9, 19, 41, 57, 67, 123, 171, 201, 369, 603, 779, 1273, 1681, 2337, 2747, 3819, 5043, 7011, 8241, 11457, 15129, 24723, 31939, 52193, 95817, 112627, 156579, 287451, 337881, 469737, 1013643, 2139913, 6419739, 19259217]

約数ペア:

[(1, 19259217), (3, 6419739), (9, 2139913), (19, 1013643), (41, 469737), (57, 337881), (67, 287451), (123, 156579), (171, 112627), (201, 95817), (369, 52193), (603, 31939), (779, 24723), (1273, 15129), (1681, 11457), (2337, 8241), (2747, 7011), (3819, 5043)]