18042376

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{487}}^1$

素因数の和:925

約数の個数: 32

約数和(自身を含む): 37068480

約数和(自身を除く): 19026104

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 421, 487, 842, 974, 1684, 1948, 3368, 3896, 4631, 5357, 9262, 10714, 18524, 21428, 37048, 42856, 205027, 410054, 820108, 1640216, 2255297, 4510594, 9021188, 18042376]

約数ペア:

[(1, 18042376), (2, 9021188), (4, 4510594), (8, 2255297), (11, 1640216), (22, 820108), (44, 410054), (88, 205027), (421, 42856), (487, 37048), (842, 21428), (974, 18524), (1684, 10714), (1948, 9262), (3368, 5357), (3896, 4631)]