18031208

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{617}}^1$

素因数の和:917

約数の個数: 32

約数和(自身を含む): 36597960

約数和(自身を除く): 18566752

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 281, 562, 617, 1124, 1234, 2248, 2468, 3653, 4936, 7306, 8021, 14612, 16042, 29224, 32084, 64168, 173377, 346754, 693508, 1387016, 2253901, 4507802, 9015604, 18031208]

約数ペア:

[(1, 18031208), (2, 9015604), (4, 4507802), (8, 2253901), (13, 1387016), (26, 693508), (52, 346754), (104, 173377), (281, 64168), (562, 32084), (617, 29224), (1124, 16042), (1234, 14612), (2248, 8021), (2468, 7306), (3653, 4936)]