9819910

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{557}}^1$

素因数の和:648

約数の個数: 32

約数和(自身を含む): 18561312

約数和(自身を除く): 8741402

約数列:

[1, 2, 5, 10, 41, 43, 82, 86, 205, 215, 410, 430, 557, 1114, 1763, 2785, 3526, 5570, 8815, 17630, 22837, 23951, 45674, 47902, 114185, 119755, 228370, 239510, 981991, 1963982, 4909955, 9819910]

約数ペア:

[(1, 9819910), (2, 4909955), (5, 1963982), (10, 981991), (41, 239510), (43, 228370), (82, 119755), (86, 114185), (205, 47902), (215, 45674), (410, 23951), (430, 22837), (557, 17630), (1114, 8815), (1763, 5570), (2785, 3526)]