19208140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{137201}}^1$

素因数の和:137217

約数の個数: 24

約数和(自身を含む): 46099872

約数和(自身を除く): 26891732

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 137201, 274402, 548804, 686005, 960407, 1372010, 1920814, 2744020, 3841628, 4802035, 9604070, 19208140]

約数ペア:

[(1, 19208140), (2, 9604070), (4, 4802035), (5, 3841628), (7, 2744020), (10, 1920814), (14, 1372010), (20, 960407), (28, 686005), (35, 548804), (70, 274402), (140, 137201)]