19748638

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{5711}}^1$

素因数の和:5752

約数の個数: 32

約数和(自身を含む): 38384640

約数和(自身を除く): 18636002

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 91, 133, 182, 247, 266, 494, 1729, 3458, 5711, 11422, 39977, 74243, 79954, 108509, 148486, 217018, 519701, 759563, 1039402, 1410617, 1519126, 2821234, 9874319, 19748638]

約数ペア:

[(1, 19748638), (2, 9874319), (7, 2821234), (13, 1519126), (14, 1410617), (19, 1039402), (26, 759563), (38, 519701), (91, 217018), (133, 148486), (182, 108509), (247, 79954), (266, 74243), (494, 39977), (1729, 11422), (3458, 5711)]