16974220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{2351}}^1$

素因数の和:2398

約数の個数: 36

約数和(自身を含む): 37636704

約数和(自身を除く): 20662484

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 722, 1444, 1805, 2351, 3610, 4702, 7220, 9404, 11755, 23510, 44669, 47020, 89338, 178676, 223345, 446690, 848711, 893380, 1697422, 3394844, 4243555, 8487110, 16974220]

約数ペア:

[(1, 16974220), (2, 8487110), (4, 4243555), (5, 3394844), (10, 1697422), (19, 893380), (20, 848711), (38, 446690), (76, 223345), (95, 178676), (190, 89338), (361, 47020), (380, 44669), (722, 23510), (1444, 11755), (1805, 9404), (2351, 7220), (3610, 4702)]