18804224

素因数分解:

$2^9\times {\mathrm{19}}^1\times {\mathrm{1933}}^1$

素因数の和:1970

約数の個数: 40

約数和(自身を含む): 39569640

約数和(自身を除く): 20765416

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 512, 608, 1216, 1933, 2432, 3866, 4864, 7732, 9728, 15464, 30928, 36727, 61856, 73454, 123712, 146908, 247424, 293816, 494848, 587632, 989696, 1175264, 2350528, 4701056, 9402112, 18804224]

約数ペア:

[(1, 18804224), (2, 9402112), (4, 4701056), (8, 2350528), (16, 1175264), (19, 989696), (32, 587632), (38, 494848), (64, 293816), (76, 247424), (128, 146908), (152, 123712), (256, 73454), (304, 61856), (512, 36727), (608, 30928), (1216, 15464), (1933, 9728), (2432, 7732), (3866, 4864)]