18393808

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{12917}}^1$

素因数の和:13014

約数の個数: 20

約数和(自身を含む): 36041220

約数和(自身を除く): 17647412

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 12917, 25834, 51668, 103336, 206672, 1149613, 2299226, 4598452, 9196904, 18393808]

約数ペア:

[(1, 18393808), (2, 9196904), (4, 4598452), (8, 2299226), (16, 1149613), (89, 206672), (178, 103336), (356, 51668), (712, 25834), (1424, 12917)]