17994678

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{821}}^1$

素因数の和:1120

約数の個数: 32

約数和(自身を含む): 38943072

約数和(自身を除く): 20948394

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 281, 562, 821, 843, 1642, 1686, 2463, 3653, 4926, 7306, 10673, 10959, 21346, 21918, 32019, 64038, 230701, 461402, 692103, 1384206, 2999113, 5998226, 8997339, 17994678]

約数ペア:

[(1, 17994678), (2, 8997339), (3, 5998226), (6, 2999113), (13, 1384206), (26, 692103), (39, 461402), (78, 230701), (281, 64038), (562, 32019), (821, 21918), (843, 21346), (1642, 10959), (1686, 10673), (2463, 7306), (3653, 4926)]