19193679

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{8171}}^1$

素因数の和:8212

約数の個数: 20

約数和(自身を含む): 29664360

約数和(自身を除く): 10470681

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 783, 2349, 8171, 24513, 73539, 220617, 236959, 661851, 710877, 2132631, 6397893, 19193679]

約数ペア:

[(1, 19193679), (3, 6397893), (9, 2132631), (27, 710877), (29, 661851), (81, 236959), (87, 220617), (261, 73539), (783, 24513), (2349, 8171)]