18339013

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1$

素因数の和:253

約数の個数: 32

約数和(自身を含む): 24208128

約数和(自身を除く): 5869115

約数列:

[1, 7, 11, 37, 41, 77, 157, 259, 287, 407, 451, 1099, 1517, 1727, 2849, 3157, 5809, 6437, 10619, 12089, 16687, 40663, 45059, 63899, 70807, 116809, 238169, 447293, 495649, 1667183, 2619859, 18339013]

約数ペア:

[(1, 18339013), (7, 2619859), (11, 1667183), (37, 495649), (41, 447293), (77, 238169), (157, 116809), (259, 70807), (287, 63899), (407, 45059), (451, 40663), (1099, 16687), (1517, 12089), (1727, 10619), (2849, 6437), (3157, 5809)]