19751987

素因数分解:

${\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1$

素因数の和:334

約数の個数: 16

約数和(自身を含む): 21228480

約数和(自身を除く): 1476493

約数列:

[1, 29, 53, 71, 181, 1537, 2059, 3763, 5249, 9593, 12851, 109127, 278197, 372679, 681103, 19751987]

約数ペア:

[(1, 19751987), (29, 681103), (53, 372679), (71, 278197), (181, 109127), (1537, 12851), (2059, 9593), (3763, 5249)]