18667768

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19609}}^1$

素因数の和:19639

約数の個数: 32

約数和(自身を含む): 42357600

約数和(自身を除く): 23689832

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 119, 136, 238, 476, 952, 19609, 39218, 78436, 137263, 156872, 274526, 333353, 549052, 666706, 1098104, 1333412, 2333471, 2666824, 4666942, 9333884, 18667768]

約数ペア:

[(1, 18667768), (2, 9333884), (4, 4666942), (7, 2666824), (8, 2333471), (14, 1333412), (17, 1098104), (28, 666706), (34, 549052), (56, 333353), (68, 274526), (119, 156872), (136, 137263), (238, 78436), (476, 39218), (952, 19609)]