19399440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{80831}}^1$

素因数の和:80847

約数の個数: 40

約数和(自身を含む): 60139008

約数和(自身を除く): 40739568

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 80831, 161662, 242493, 323324, 404155, 484986, 646648, 808310, 969972, 1212465, 1293296, 1616620, 1939944, 2424930, 3233240, 3879888, 4849860, 6466480, 9699720, 19399440]

約数ペア:

[(1, 19399440), (2, 9699720), (3, 6466480), (4, 4849860), (5, 3879888), (6, 3233240), (8, 2424930), (10, 1939944), (12, 1616620), (15, 1293296), (16, 1212465), (20, 969972), (24, 808310), (30, 646648), (40, 484986), (48, 404155), (60, 323324), (80, 242493), (120, 161662), (240, 80831)]