18904593904

素因数分解:

$2^4\times 7^1\times {\mathrm{509}}^1\times {\mathrm{331613}}^1$

素因数の和:332137

約数の個数: 40

約数和(自身を含む): 41942538720

約数和(自身を除く): 23037944816

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 509, 1018, 2036, 3563, 4072, 7126, 8144, 14252, 28504, 57008, 331613, 663226, 1326452, 2321291, 2652904, 4642582, 5305808, 9285164, 18570328, 37140656, 168791017, 337582034, 675164068, 1181537119, 1350328136, 2363074238, 2700656272, 4726148476, 9452296952, 18904593904]

約数ペア:

[(1, 18904593904), (2, 9452296952), (4, 4726148476), (7, 2700656272), (8, 2363074238), (14, 1350328136), (16, 1181537119), (28, 675164068), (56, 337582034), (112, 168791017), (509, 37140656), (1018, 18570328), (2036, 9285164), (3563, 5305808), (4072, 4642582), (7126, 2652904), (8144, 2321291), (14252, 1326452), (28504, 663226), (57008, 331613)]