19514840

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{8269}}^1$

素因数の和:8339

約数の個数: 32

約数和(自身を含む): 44658000

約数和(自身を除く): 25143160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 236, 295, 472, 590, 1180, 2360, 8269, 16538, 33076, 41345, 66152, 82690, 165380, 330760, 487871, 975742, 1951484, 2439355, 3902968, 4878710, 9757420, 19514840]

約数ペア:

[(1, 19514840), (2, 9757420), (4, 4878710), (5, 3902968), (8, 2439355), (10, 1951484), (20, 975742), (40, 487871), (59, 330760), (118, 165380), (236, 82690), (295, 66152), (472, 41345), (590, 33076), (1180, 16538), (2360, 8269)]