18878886

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{26893}}^1$

素因数の和:26917

約数の個数: 32

約数和(自身を含む): 45181920

約数和(自身を除く): 26303034

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 117, 234, 351, 702, 26893, 53786, 80679, 161358, 242037, 349609, 484074, 699218, 726111, 1048827, 1452222, 2097654, 3146481, 6292962, 9439443, 18878886]

約数ペア:

[(1, 18878886), (2, 9439443), (3, 6292962), (6, 3146481), (9, 2097654), (13, 1452222), (18, 1048827), (26, 726111), (27, 699218), (39, 484074), (54, 349609), (78, 242037), (117, 161358), (234, 80679), (351, 53786), (702, 26893)]