19189743937

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{11098753}}^1$

素因数の和:11098792

約数の個数: 16

約数和(自身を含む): 24861208960

約数和(自身を除く): 5671465023

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 11098753, 77691271, 144283789, 210876307, 1009986523, 1476134149, 2741391991, 19189743937]

約数ペア:

[(1, 19189743937), (7, 2741391991), (13, 1476134149), (19, 1009986523), (91, 210876307), (133, 144283789), (247, 77691271), (1729, 11098753)]