18715254

素因数分解:

$2^1\times 3^1\times {\mathrm{53}}^1\times {\mathrm{229}}^1\times {\mathrm{257}}^1$

素因数の和:544

約数の個数: 32

約数和(自身を含む): 38452320

約数和(自身を除く): 19737066

約数列:

[1, 2, 3, 6, 53, 106, 159, 229, 257, 318, 458, 514, 687, 771, 1374, 1542, 12137, 13621, 24274, 27242, 36411, 40863, 58853, 72822, 81726, 117706, 176559, 353118, 3119209, 6238418, 9357627, 18715254]

約数ペア:

[(1, 18715254), (2, 9357627), (3, 6238418), (6, 3119209), (53, 353118), (106, 176559), (159, 117706), (229, 81726), (257, 72822), (318, 58853), (458, 40863), (514, 36411), (687, 27242), (771, 24274), (1374, 13621), (1542, 12137)]