19693139

素因数分解:

${\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{257}}^1$

素因数の和:422

約数の個数: 16

約数和(自身を含む): 21568800

約数和(自身を除く): 1875661

約数列:

[1, 19, 37, 109, 257, 703, 2071, 4033, 4883, 9509, 28013, 76627, 180671, 532247, 1036481, 19693139]

約数ペア:

[(1, 19693139), (19, 1036481), (37, 532247), (109, 180671), (257, 76627), (703, 28013), (2071, 9509), (4033, 4883)]