18486902

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{401}}^1$

素因数の和:536

約数の個数: 32

約数和(自身を含む): 32996160

約数和(自身を除く): 14509258

約数列:

[1, 2, 7, 14, 37, 74, 89, 178, 259, 401, 518, 623, 802, 1246, 2807, 3293, 5614, 6586, 14837, 23051, 29674, 35689, 46102, 71378, 103859, 207718, 249823, 499646, 1320493, 2640986, 9243451, 18486902]

約数ペア:

[(1, 18486902), (2, 9243451), (7, 2640986), (14, 1320493), (37, 499646), (74, 249823), (89, 207718), (178, 103859), (259, 71378), (401, 46102), (518, 35689), (623, 29674), (802, 23051), (1246, 14837), (2807, 6586), (3293, 5614)]