18311986

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{16987}}^1$

素因数の和:17014

約数の個数: 24

約数和(自身を含む): 34859376

約数和(自身を除く): 16547390

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 154, 539, 1078, 16987, 33974, 118909, 186857, 237818, 373714, 832363, 1307999, 1664726, 2615998, 9155993, 18311986]

約数ペア:

[(1, 18311986), (2, 9155993), (7, 2615998), (11, 1664726), (14, 1307999), (22, 832363), (49, 373714), (77, 237818), (98, 186857), (154, 118909), (539, 33974), (1078, 16987)]