19737861

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{331}}^1$

素因数の和:497

約数の個数: 32

約数和(自身を含む): 31234560

約数和(自身を除く): 11496699

約数列:

[1, 3, 11, 13, 33, 39, 139, 143, 331, 417, 429, 993, 1529, 1807, 3641, 4303, 4587, 5421, 10923, 12909, 19877, 46009, 47333, 59631, 138027, 141999, 506099, 598117, 1518297, 1794351, 6579287, 19737861]

約数ペア:

[(1, 19737861), (3, 6579287), (11, 1794351), (13, 1518297), (33, 598117), (39, 506099), (139, 141999), (143, 138027), (331, 59631), (417, 47333), (429, 46009), (993, 19877), (1529, 12909), (1807, 10923), (3641, 5421), (4303, 4587)]