18255399

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1$

素因数の和:319

約数の個数: 32

約数和(自身を含む): 27371520

約数和(自身を除く): 9116121

約数列:

[1, 3, 17, 23, 51, 69, 79, 197, 237, 391, 591, 1173, 1343, 1817, 3349, 4029, 4531, 5451, 10047, 13593, 15563, 30889, 46689, 77027, 92667, 231081, 264571, 357949, 793713, 1073847, 6085133, 18255399]

約数ペア:

[(1, 18255399), (3, 6085133), (17, 1073847), (23, 793713), (51, 357949), (69, 264571), (79, 231081), (197, 92667), (237, 77027), (391, 46689), (591, 30889), (1173, 15563), (1343, 13593), (1817, 10047), (3349, 5451), (4029, 4531)]