17939780

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{5503}}^1$

素因数の和:5675

約数の個数: 24

約数和(自身を含む): 37911552

約数和(自身を除く): 19971772

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 5503, 11006, 22012, 27515, 55030, 110060, 896989, 1793978, 3587956, 4484945, 8969890, 17939780]

約数ペア:

[(1, 17939780), (2, 8969890), (4, 4484945), (5, 3587956), (10, 1793978), (20, 896989), (163, 110060), (326, 55030), (652, 27515), (815, 22012), (1630, 11006), (3260, 5503)]