18218696

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{1229}}^1$

素因数の和:1361

約数の個数: 32

約数和(自身を含む): 36531000

約数和(自身を除く): 18312304

約数列:

[1, 2, 4, 8, 17, 34, 68, 109, 136, 218, 436, 872, 1229, 1853, 2458, 3706, 4916, 7412, 9832, 14824, 20893, 41786, 83572, 133961, 167144, 267922, 535844, 1071688, 2277337, 4554674, 9109348, 18218696]

約数ペア:

[(1, 18218696), (2, 9109348), (4, 4554674), (8, 2277337), (17, 1071688), (34, 535844), (68, 267922), (109, 167144), (136, 133961), (218, 83572), (436, 41786), (872, 20893), (1229, 14824), (1853, 9832), (2458, 7412), (3706, 4916)]