19287223

素因数分解:

${\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:334

約数の個数: 16

約数和(自身を含む): 20944000

約数和(自身を除く): 1656777

約数列:

[1, 19, 67, 109, 139, 1273, 2071, 2641, 7303, 9313, 15151, 138757, 176947, 287869, 1015117, 19287223]

約数ペア:

[(1, 19287223), (19, 1015117), (67, 287869), (109, 176947), (139, 138757), (1273, 15151), (2071, 9313), (2641, 7303)]