17777968

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{673}}^1$

素因数の和:821

約数の個数: 40

約数和(自身を含む): 37442048

約数和(自身を除く): 19664080

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 127, 208, 254, 508, 673, 1016, 1346, 1651, 2032, 2692, 3302, 5384, 6604, 8749, 10768, 13208, 17498, 26416, 34996, 69992, 85471, 139984, 170942, 341884, 683768, 1111123, 1367536, 2222246, 4444492, 8888984, 17777968]

約数ペア:

[(1, 17777968), (2, 8888984), (4, 4444492), (8, 2222246), (13, 1367536), (16, 1111123), (26, 683768), (52, 341884), (104, 170942), (127, 139984), (208, 85471), (254, 69992), (508, 34996), (673, 26416), (1016, 17498), (1346, 13208), (1651, 10768), (2032, 8749), (2692, 6604), (3302, 5384)]