19298015

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{313}}^1$

素因数の和:407

約数の個数: 32

約数和(自身を含む): 27129600

約数和(自身を除く): 7831585

約数列:

[1, 5, 11, 19, 55, 59, 95, 209, 295, 313, 649, 1045, 1121, 1565, 3245, 3443, 5605, 5947, 12331, 17215, 18467, 29735, 61655, 65417, 92335, 203137, 327085, 350873, 1015685, 1754365, 3859603, 19298015]

約数ペア:

[(1, 19298015), (5, 3859603), (11, 1754365), (19, 1015685), (55, 350873), (59, 327085), (95, 203137), (209, 92335), (295, 65417), (313, 61655), (649, 29735), (1045, 18467), (1121, 17215), (1565, 12331), (3245, 5947), (3443, 5605)]