18137672

素因数分解:

$2^3\times 7^1\times {\mathrm{419}}^1\times {\mathrm{773}}^1$

素因数の和:1205

約数の個数: 32

約数和(自身を含む): 39009600

約数和(自身を除く): 20871928

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 419, 773, 838, 1546, 1676, 2933, 3092, 3352, 5411, 5866, 6184, 10822, 11732, 21644, 23464, 43288, 323887, 647774, 1295548, 2267209, 2591096, 4534418, 9068836, 18137672]

約数ペア:

[(1, 18137672), (2, 9068836), (4, 4534418), (7, 2591096), (8, 2267209), (14, 1295548), (28, 647774), (56, 323887), (419, 43288), (773, 23464), (838, 21644), (1546, 11732), (1676, 10822), (2933, 6184), (3092, 5866), (3352, 5411)]