19276985

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{3259}}^1$

素因数の和:3297

約数の個数: 24

約数和(自身を含む): 28635840

約数和(自身を除く): 9358855

約数列:

[1, 5, 7, 13, 35, 65, 91, 169, 455, 845, 1183, 3259, 5915, 16295, 22813, 42367, 114065, 211835, 296569, 550771, 1482845, 2753855, 3855397, 19276985]

約数ペア:

[(1, 19276985), (5, 3855397), (7, 2753855), (13, 1482845), (35, 550771), (65, 296569), (91, 211835), (169, 114065), (455, 42367), (845, 22813), (1183, 16295), (3259, 5915)]