17919883

素因数分解:

${\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:302

約数の個数: 16

約数和(自身を含む): 19245600

約数和(自身を除く): 1325717

約数列:

[1, 29, 53, 89, 131, 1537, 2581, 3799, 4717, 6943, 11659, 136793, 201347, 338111, 617927, 17919883]

約数ペア:

[(1, 17919883), (29, 617927), (53, 338111), (89, 201347), (131, 136793), (1537, 11659), (2581, 6943), (3799, 4717)]