19259613

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{5059}}^1$

素因数の和:5118

約数の個数: 20

約数和(自身を含む): 29388480

約数和(自身を除く): 10128867

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 3807, 5059, 15177, 45531, 136593, 237773, 409779, 713319, 2139957, 6419871, 19259613]

約数ペア:

[(1, 19259613), (3, 6419871), (9, 2139957), (27, 713319), (47, 409779), (81, 237773), (141, 136593), (423, 45531), (1269, 15177), (3807, 5059)]