19461276

素因数分解:

$2^2\times 3^3\times {\mathrm{367}}^1\times {\mathrm{491}}^1$

素因数の和:871

約数の個数: 48

約数和(自身を含む): 50695680

約数和(自身を除く): 31234404

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 367, 491, 734, 982, 1101, 1468, 1473, 1964, 2202, 2946, 3303, 4404, 4419, 5892, 6606, 8838, 9909, 13212, 13257, 17676, 19818, 26514, 39636, 53028, 180197, 360394, 540591, 720788, 1081182, 1621773, 2162364, 3243546, 4865319, 6487092, 9730638, 19461276]

約数ペア:

[(1, 19461276), (2, 9730638), (3, 6487092), (4, 4865319), (6, 3243546), (9, 2162364), (12, 1621773), (18, 1081182), (27, 720788), (36, 540591), (54, 360394), (108, 180197), (367, 53028), (491, 39636), (734, 26514), (982, 19818), (1101, 17676), (1468, 13257), (1473, 13212), (1964, 9909), (2202, 8838), (2946, 6606), (3303, 5892), (4404, 4419)]