19872537

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{443}}^1\times {\mathrm{787}}^1$

素因数の和:1252

約数の個数: 16

約数和(自身を含む): 27989760

約数和(自身を除く): 8117223

約数列:

[1, 3, 19, 57, 443, 787, 1329, 2361, 8417, 14953, 25251, 44859, 348641, 1045923, 6624179, 19872537]

約数ペア:

[(1, 19872537), (3, 6624179), (19, 1045923), (57, 348641), (443, 44859), (787, 25251), (1329, 14953), (2361, 8417)]