19188465

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{313}}^1$

素因数の和:449

約数の個数: 32

約数和(自身を含む): 31771776

約数和(自身を除く): 12583311

約数列:

[1, 3, 5, 15, 61, 67, 183, 201, 305, 313, 335, 915, 939, 1005, 1565, 4087, 4695, 12261, 19093, 20435, 20971, 57279, 61305, 62913, 95465, 104855, 286395, 314565, 1279231, 3837693, 6396155, 19188465]

約数ペア:

[(1, 19188465), (3, 6396155), (5, 3837693), (15, 1279231), (61, 314565), (67, 286395), (183, 104855), (201, 95465), (305, 62913), (313, 61305), (335, 57279), (915, 20971), (939, 20435), (1005, 19093), (1565, 12261), (4087, 4695)]