18491278

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{4111}}^1$

素因数の和:4299

約数の個数: 16

約数和(自身を含む): 30050496

約数和(自身を除く): 11559218

約数列:

[1, 2, 13, 26, 173, 346, 2249, 4111, 4498, 8222, 53443, 106886, 711203, 1422406, 9245639, 18491278]

約数ペア:

[(1, 18491278), (2, 9245639), (13, 1422406), (26, 711203), (173, 106886), (346, 53443), (2249, 8222), (4111, 4498)]