19787018

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{2909}}^1$

素因数の和:3109

約数の個数: 16

約数和(自身を含む): 31428000

約数和(自身を除く): 11640982

約数列:

[1, 2, 19, 38, 179, 358, 2909, 3401, 5818, 6802, 55271, 110542, 520711, 1041422, 9893509, 19787018]

約数ペア:

[(1, 19787018), (2, 9893509), (19, 1041422), (38, 520711), (179, 110542), (358, 55271), (2909, 6802), (3401, 5818)]