2018889340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7764959}}^1$

素因数の和:7764981

約数の個数: 24

約数和(自身を含む): 4565796480

約数和(自身を除く): 2546907140

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 7764959, 15529918, 31059836, 38824795, 77649590, 100944467, 155299180, 201888934, 403777868, 504722335, 1009444670, 2018889340]

約数ペア:

[(1, 2018889340), (2, 1009444670), (4, 504722335), (5, 403777868), (10, 201888934), (13, 155299180), (20, 100944467), (26, 77649590), (52, 38824795), (65, 31059836), (130, 15529918), (260, 7764959)]