18288879

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{509}}^1$

素因数の和:607

約数の個数: 32

約数和(自身を含む): 29376000

約数和(自身を除く): 11087121

約数列:

[1, 3, 7, 21, 29, 59, 87, 177, 203, 413, 509, 609, 1239, 1527, 1711, 3563, 5133, 10689, 11977, 14761, 30031, 35931, 44283, 90093, 103327, 210217, 309981, 630651, 870899, 2612697, 6096293, 18288879]

約数ペア:

[(1, 18288879), (3, 6096293), (7, 2612697), (21, 870899), (29, 630651), (59, 309981), (87, 210217), (177, 103327), (203, 90093), (413, 44283), (509, 35931), (609, 30031), (1239, 14761), (1527, 11977), (1711, 10689), (3563, 5133)]