218919976

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{11903}}^1$

素因数の和:11950

約数の個数: 48

約数和(自身を含む): 474969600

約数和(自身を除く): 256049624

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 121, 152, 209, 242, 418, 484, 836, 968, 1672, 2299, 4598, 9196, 11903, 18392, 23806, 47612, 95224, 130933, 226157, 261866, 452314, 523732, 904628, 1047464, 1440263, 1809256, 2487727, 2880526, 4975454, 5761052, 9950908, 11522104, 19901816, 27364997, 54729994, 109459988, 218919976]

約数ペア:

[(1, 218919976), (2, 109459988), (4, 54729994), (8, 27364997), (11, 19901816), (19, 11522104), (22, 9950908), (38, 5761052), (44, 4975454), (76, 2880526), (88, 2487727), (121, 1809256), (152, 1440263), (209, 1047464), (242, 904628), (418, 523732), (484, 452314), (836, 261866), (968, 226157), (1672, 130933), (2299, 95224), (4598, 47612), (9196, 23806), (11903, 18392)]