19838465

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:193

約数の個数: 32

約数和(自身を含む): 26127360

約数和(自身を除く): 6288895

約数列:

[1, 5, 29, 41, 47, 71, 145, 205, 235, 355, 1189, 1363, 1927, 2059, 2911, 3337, 5945, 6815, 9635, 10295, 14555, 16685, 55883, 84419, 96773, 136817, 279415, 422095, 483865, 684085, 3967693, 19838465]

約数ペア:

[(1, 19838465), (5, 3967693), (29, 684085), (41, 483865), (47, 422095), (71, 279415), (145, 136817), (205, 96773), (235, 84419), (355, 55883), (1189, 16685), (1363, 14555), (1927, 10295), (2059, 9635), (2911, 6815), (3337, 5945)]