18722276

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{1867}}^1$

素因数の和:2003

約数の個数: 24

約数和(自身を含む): 34520640

約数和(自身を除く): 15798364

約数列:

[1, 2, 4, 23, 46, 92, 109, 218, 436, 1867, 2507, 3734, 5014, 7468, 10028, 42941, 85882, 171764, 203503, 407006, 814012, 4680569, 9361138, 18722276]

約数ペア:

[(1, 18722276), (2, 9361138), (4, 4680569), (23, 814012), (46, 407006), (92, 203503), (109, 171764), (218, 85882), (436, 42941), (1867, 10028), (2507, 7468), (3734, 5014)]