19819933

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{1303}}^1$

素因数の和:1404

約数の個数: 16

約数和(自身を含む): 23659776

約数和(自身を除く): 3839843

約数列:

[1, 7, 41, 53, 287, 371, 1303, 2173, 9121, 15211, 53423, 69059, 373961, 483413, 2831419, 19819933]

約数ペア:

[(1, 19819933), (7, 2831419), (41, 483413), (53, 373961), (287, 69059), (371, 53423), (1303, 15211), (2173, 9121)]