19481726

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{19}}^2\times {\mathrm{223}}^1$

素因数の和:285

約数の個数: 36

約数和(自身を含む): 34052256

約数和(自身を除く): 14570530

約数列:

[1, 2, 11, 19, 22, 38, 121, 209, 223, 242, 361, 418, 446, 722, 2299, 2453, 3971, 4237, 4598, 4906, 7942, 8474, 26983, 43681, 46607, 53966, 80503, 87362, 93214, 161006, 512677, 885533, 1025354, 1771066, 9740863, 19481726]

約数ペア:

[(1, 19481726), (2, 9740863), (11, 1771066), (19, 1025354), (22, 885533), (38, 512677), (121, 161006), (209, 93214), (223, 87362), (242, 80503), (361, 53966), (418, 46607), (446, 43681), (722, 26983), (2299, 8474), (2453, 7942), (3971, 4906), (4237, 4598)]