18556486

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41983}}^1$

素因数の和:42015

約数の個数: 16

約数和(自身を含む): 31739904

約数和(自身を除く): 13183418

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 41983, 83966, 545779, 713711, 1091558, 1427422, 9278243, 18556486]

約数ペア:

[(1, 18556486), (2, 9278243), (13, 1427422), (17, 1091558), (26, 713711), (34, 545779), (221, 83966), (442, 41983)]