18563389

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{631}}^1$

素因数の和:748

約数の個数: 16

約数和(自身を含む): 20952064

約数和(自身を除く): 2388675

約数列:

[1, 13, 31, 73, 403, 631, 949, 2263, 8203, 19561, 29419, 46063, 254293, 598819, 1427953, 18563389]

約数ペア:

[(1, 18563389), (13, 1427953), (31, 598819), (73, 254293), (403, 46063), (631, 29419), (949, 19561), (2263, 8203)]