19901018

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{18059}}^1$

素因数の和:18109

約数の個数: 16

約数和(自身を含む): 32508000

約数和(自身を除く): 12606982

約数列:

[1, 2, 19, 29, 38, 58, 551, 1102, 18059, 36118, 343121, 523711, 686242, 1047422, 9950509, 19901018]

約数ペア:

[(1, 19901018), (2, 9950509), (19, 1047422), (29, 686242), (38, 523711), (58, 343121), (551, 36118), (1102, 18059)]