19980455547

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{4903}}^1\times {\mathrm{104491}}^1$

素因数の和:109410

約数の個数: 16

約数和(自身を含む): 28696011008

約数和(自身を除く): 8715555461

約数列:

[1, 3, 13, 39, 4903, 14709, 63739, 104491, 191217, 313473, 1358383, 4075149, 512319373, 1536958119, 6660151849, 19980455547]

約数ペア:

[(1, 19980455547), (3, 6660151849), (13, 1536958119), (39, 512319373), (4903, 4075149), (14709, 1358383), (63739, 313473), (104491, 191217)]