18431786

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{21089}}^1$

素因数の和:21133

約数の個数: 16

約数和(自身を含む): 30369600

約数和(自身を除く): 11937814

約数列:

[1, 2, 19, 23, 38, 46, 437, 874, 21089, 42178, 400691, 485047, 801382, 970094, 9215893, 18431786]

約数ペア:

[(1, 18431786), (2, 9215893), (19, 970094), (23, 801382), (38, 485047), (46, 400691), (437, 42178), (874, 21089)]