19908495

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{9413}}^1$

素因数の和:9471

約数の個数: 24

約数和(自身を含む): 35246016

約数和(自身を除く): 15337521

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 235, 423, 705, 2115, 9413, 28239, 47065, 84717, 141195, 423585, 442411, 1327233, 2212055, 3981699, 6636165, 19908495]

約数ペア:

[(1, 19908495), (3, 6636165), (5, 3981699), (9, 2212055), (15, 1327233), (45, 442411), (47, 423585), (141, 141195), (235, 84717), (423, 47065), (705, 28239), (2115, 9413)]