19919624

素因数分解:

$2^3\times {\mathrm{89}}^1\times {\mathrm{101}}^1\times {\mathrm{277}}^1$

素因数の和:473

約数の個数: 32

約数和(自身を含む): 38280600

約数和(自身を除く): 18360976

約数列:

[1, 2, 4, 8, 89, 101, 178, 202, 277, 356, 404, 554, 712, 808, 1108, 2216, 8989, 17978, 24653, 27977, 35956, 49306, 55954, 71912, 98612, 111908, 197224, 223816, 2489953, 4979906, 9959812, 19919624]

約数ペア:

[(1, 19919624), (2, 9959812), (4, 4979906), (8, 2489953), (89, 223816), (101, 197224), (178, 111908), (202, 98612), (277, 71912), (356, 55954), (404, 49306), (554, 35956), (712, 27977), (808, 24653), (1108, 17978), (2216, 8989)]