19397917

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{13259}}^1$

素因数の和:13296

約数の個数: 16

約数和(自身を含む): 25459200

約数和(自身を除く): 6061283

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 13259, 92813, 145849, 251921, 1020943, 1763447, 2771131, 19397917]

約数ペア:

[(1, 19397917), (7, 2771131), (11, 1763447), (19, 1020943), (77, 251921), (133, 145849), (209, 92813), (1463, 13259)]