18159988

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{8423}}^1$

素因数の和:8452

約数の個数: 36

約数和(自身を含む): 40334112

約数和(自身を除く): 22174124

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 154, 196, 308, 539, 1078, 2156, 8423, 16846, 33692, 58961, 92653, 117922, 185306, 235844, 370612, 412727, 648571, 825454, 1297142, 1650908, 2594284, 4539997, 9079994, 18159988]

約数ペア:

[(1, 18159988), (2, 9079994), (4, 4539997), (7, 2594284), (11, 1650908), (14, 1297142), (22, 825454), (28, 648571), (44, 412727), (49, 370612), (77, 235844), (98, 185306), (154, 117922), (196, 92653), (308, 58961), (539, 33692), (1078, 16846), (2156, 8423)]