18923788

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{21407}}^1$

素因数の和:21441

約数の個数: 24

約数和(自身を含む): 37763712

約数和(自身を除く): 18839924

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 221, 442, 884, 21407, 42814, 85628, 278291, 363919, 556582, 727838, 1113164, 1455676, 4730947, 9461894, 18923788]

約数ペア:

[(1, 18923788), (2, 9461894), (4, 4730947), (13, 1455676), (17, 1113164), (26, 727838), (34, 556582), (52, 363919), (68, 278291), (221, 85628), (442, 42814), (884, 21407)]