19216813

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{2423}}^1$

素因数の和:2544

約数の個数: 16

約数和(自身を含む): 24201216

約数和(自身を除く): 4984403

約数列:

[1, 7, 11, 77, 103, 721, 1133, 2423, 7931, 16961, 26653, 186571, 249569, 1746983, 2745259, 19216813]

約数ペア:

[(1, 19216813), (7, 2745259), (11, 1746983), (77, 249569), (103, 186571), (721, 26653), (1133, 16961), (2423, 7931)]