18687402

素因数分解:

$2^1\times 3^3\times {\mathrm{401}}^1\times {\mathrm{863}}^1$

素因数の和:1275

約数の個数: 32

約数和(自身を含む): 41679360

約数和(自身を除く): 22991958

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 401, 802, 863, 1203, 1726, 2406, 2589, 3609, 5178, 7218, 7767, 10827, 15534, 21654, 23301, 46602, 346063, 692126, 1038189, 2076378, 3114567, 6229134, 9343701, 18687402]

約数ペア:

[(1, 18687402), (2, 9343701), (3, 6229134), (6, 3114567), (9, 2076378), (18, 1038189), (27, 692126), (54, 346063), (401, 46602), (802, 23301), (863, 21654), (1203, 15534), (1726, 10827), (2406, 7767), (2589, 7218), (3609, 5178)]