19997522

素因数分解:

$2^1\times {\mathrm{83}}^1\times {\mathrm{179}}^1\times {\mathrm{673}}^1$

素因数の和:937

約数の個数: 16

約数和(自身を含む): 30572640

約数和(自身を除く): 10575118

約数列:

[1, 2, 83, 166, 179, 358, 673, 1346, 14857, 29714, 55859, 111718, 120467, 240934, 9998761, 19997522]

約数ペア:

[(1, 19997522), (2, 9998761), (83, 240934), (166, 120467), (179, 111718), (358, 55859), (673, 29714), (1346, 14857)]