18209193

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^2$

素因数の和:233

約数の個数: 24

約数和(自身を含む): 26453088

約数和(自身を除く): 8243895

約数列:

[1, 3, 17, 51, 67, 73, 201, 219, 1139, 1241, 3417, 3723, 4891, 5329, 14673, 15987, 83147, 90593, 249441, 271779, 357043, 1071129, 6069731, 18209193]

約数ペア:

[(1, 18209193), (3, 6069731), (17, 1071129), (51, 357043), (67, 271779), (73, 249441), (201, 90593), (219, 83147), (1139, 15987), (1241, 14673), (3417, 5329), (3723, 4891)]