12981142

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{1619}}^1$

素因数の和:1851

約数の個数: 16

約数和(自身を含む): 20606400

約数和(自身を除く): 7625258

約数列:

[1, 2, 19, 38, 211, 422, 1619, 3238, 4009, 8018, 30761, 61522, 341609, 683218, 6490571, 12981142]

約数ペア:

[(1, 12981142), (2, 6490571), (19, 683218), (38, 341609), (211, 61522), (422, 30761), (1619, 8018), (3238, 4009)]