19481997

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{3671}}^1$

素因数の和:3764

約数の個数: 16

約数和(自身を含む): 27319680

約数和(自身を除く): 7837683

約数列:

[1, 3, 29, 61, 87, 183, 1769, 3671, 5307, 11013, 106459, 223931, 319377, 671793, 6493999, 19481997]

約数ペア:

[(1, 19481997), (3, 6493999), (29, 671793), (61, 319377), (87, 223931), (183, 106459), (1769, 11013), (3671, 5307)]