18987516

素因数分解:

$2^2\times 3^2\times {\mathrm{127}}^1\times {\mathrm{4153}}^1$

素因数の和:4290

約数の個数: 36

約数和(自身を含む): 48385792

約数和(自身を除く): 29398276

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 127, 254, 381, 508, 762, 1143, 1524, 2286, 4153, 4572, 8306, 12459, 16612, 24918, 37377, 49836, 74754, 149508, 527431, 1054862, 1582293, 2109724, 3164586, 4746879, 6329172, 9493758, 18987516]

約数ペア:

[(1, 18987516), (2, 9493758), (3, 6329172), (4, 4746879), (6, 3164586), (9, 2109724), (12, 1582293), (18, 1054862), (36, 527431), (127, 149508), (254, 74754), (381, 49836), (508, 37377), (762, 24918), (1143, 16612), (1524, 12459), (2286, 8306), (4153, 4572)]