18778708

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{1511}}^1$

素因数の和:1767

約数の個数: 24

約数和(自身を含む): 35562240

約数和(自身を除く): 16783532

約数列:

[1, 2, 4, 13, 26, 52, 239, 478, 956, 1511, 3022, 3107, 6044, 6214, 12428, 19643, 39286, 78572, 361129, 722258, 1444516, 4694677, 9389354, 18778708]

約数ペア:

[(1, 18778708), (2, 9389354), (4, 4694677), (13, 1444516), (26, 722258), (52, 361129), (239, 78572), (478, 39286), (956, 19643), (1511, 12428), (3022, 6214), (3107, 6044)]