20171947018

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{691}}^1\times {\mathrm{768221}}^1$

素因数の和:768933

約数の個数: 16

約数和(自身を含む): 31896577440

約数和(自身を除く): 11724630422

約数列:

[1, 2, 19, 38, 691, 1382, 13129, 26258, 768221, 1536442, 14596199, 29192398, 530840711, 1061681422, 10085973509, 20171947018]

約数ペア:

[(1, 20171947018), (2, 10085973509), (19, 1061681422), (38, 530840711), (691, 29192398), (1382, 14596199), (13129, 1536442), (26258, 768221)]