18170178

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1$

素因数の和:299

約数の個数: 64

約数和(自身を含む): 42239232

約数和(自身を除く): 24069054

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 39, 51, 71, 78, 102, 142, 193, 213, 221, 386, 426, 442, 579, 663, 923, 1158, 1207, 1326, 1846, 2414, 2509, 2769, 3281, 3621, 5018, 5538, 6562, 7242, 7527, 9843, 13703, 15054, 15691, 19686, 27406, 31382, 41109, 42653, 47073, 82218, 85306, 94146, 127959, 178139, 232951, 255918, 356278, 465902, 534417, 698853, 1068834, 1397706, 3028363, 6056726, 9085089, 18170178]

約数ペア:

[(1, 18170178), (2, 9085089), (3, 6056726), (6, 3028363), (13, 1397706), (17, 1068834), (26, 698853), (34, 534417), (39, 465902), (51, 356278), (71, 255918), (78, 232951), (102, 178139), (142, 127959), (193, 94146), (213, 85306), (221, 82218), (386, 47073), (426, 42653), (442, 41109), (579, 31382), (663, 27406), (923, 19686), (1158, 15691), (1207, 15054), (1326, 13703), (1846, 9843), (2414, 7527), (2509, 7242), (2769, 6562), (3281, 5538), (3621, 5018)]