18075688

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{1091}}^1$

素因数の和:1225

約数の個数: 32

約数和(自身を含む): 36036000

約数和(自身を除く): 17960312

約数列:

[1, 2, 4, 8, 19, 38, 76, 109, 152, 218, 436, 872, 1091, 2071, 2182, 4142, 4364, 8284, 8728, 16568, 20729, 41458, 82916, 118919, 165832, 237838, 475676, 951352, 2259461, 4518922, 9037844, 18075688]

約数ペア:

[(1, 18075688), (2, 9037844), (4, 4518922), (8, 2259461), (19, 951352), (38, 475676), (76, 237838), (109, 165832), (152, 118919), (218, 82916), (436, 41458), (872, 20729), (1091, 16568), (2071, 8728), (2182, 8284), (4142, 4364)]