158994018

素因数分解:

$2^1\times 3^2\times {\mathrm{421}}^1\times {\mathrm{20981}}^1$

素因数の和:21410

約数の個数: 24

約数和(自身を含む): 345321756

約数和(自身を除く): 186327738

約数列:

[1, 2, 3, 6, 9, 18, 421, 842, 1263, 2526, 3789, 7578, 20981, 41962, 62943, 125886, 188829, 377658, 8833001, 17666002, 26499003, 52998006, 79497009, 158994018]

約数ペア:

[(1, 158994018), (2, 79497009), (3, 52998006), (6, 26499003), (9, 17666002), (18, 8833001), (421, 377658), (842, 188829), (1263, 125886), (2526, 62943), (3789, 41962), (7578, 20981)]