18739016

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{1091}}^1$

素因数の和:1229

約数の個数: 32

約数和(自身を含む): 37346400

約数和(自身を除く): 18607384

約数列:

[1, 2, 4, 8, 19, 38, 76, 113, 152, 226, 452, 904, 1091, 2147, 2182, 4294, 4364, 8588, 8728, 17176, 20729, 41458, 82916, 123283, 165832, 246566, 493132, 986264, 2342377, 4684754, 9369508, 18739016]

約数ペア:

[(1, 18739016), (2, 9369508), (4, 4684754), (8, 2342377), (19, 986264), (38, 493132), (76, 246566), (113, 165832), (152, 123283), (226, 82916), (452, 41458), (904, 20729), (1091, 17176), (2147, 8728), (2182, 8588), (4294, 4364)]