18996868808

素因数分解:

$2^3\times {\mathrm{409}}^1\times {\mathrm{5805889}}^1$

素因数の和:5806304

約数の個数: 16

約数和(自身を含む): 35706223500

約数和(自身を除く): 16709354692

約数列:

[1, 2, 4, 8, 409, 818, 1636, 3272, 5805889, 11611778, 23223556, 46447112, 2374608601, 4749217202, 9498434404, 18996868808]

約数ペア:

[(1, 18996868808), (2, 9498434404), (4, 4749217202), (8, 2374608601), (409, 46447112), (818, 23223556), (1636, 11611778), (3272, 5805889)]