18910612

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{12743}}^1$

素因数の和:12807

約数の個数: 24

約数和(自身を含む): 38537856

約数和(自身を除く): 19627244

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 212, 371, 742, 1484, 12743, 25486, 50972, 89201, 178402, 356804, 675379, 1350758, 2701516, 4727653, 9455306, 18910612]

約数ペア:

[(1, 18910612), (2, 9455306), (4, 4727653), (7, 2701516), (14, 1350758), (28, 675379), (53, 356804), (106, 178402), (212, 89201), (371, 50972), (742, 25486), (1484, 12743)]