19563687

素因数分解:

$3^5\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{563}}^1$

素因数の和:602

約数の個数: 48

約数和(自身を含む): 34489728

約数和(自身を除く): 14926041

約数列:

[1, 3, 9, 11, 13, 27, 33, 39, 81, 99, 117, 143, 243, 297, 351, 429, 563, 891, 1053, 1287, 1689, 2673, 3159, 3861, 5067, 6193, 7319, 11583, 15201, 18579, 21957, 34749, 45603, 55737, 65871, 80509, 136809, 167211, 197613, 241527, 501633, 592839, 724581, 1504899, 1778517, 2173743, 6521229, 19563687]

約数ペア:

[(1, 19563687), (3, 6521229), (9, 2173743), (11, 1778517), (13, 1504899), (27, 724581), (33, 592839), (39, 501633), (81, 241527), (99, 197613), (117, 167211), (143, 136809), (243, 80509), (297, 65871), (351, 55737), (429, 45603), (563, 34749), (891, 21957), (1053, 18579), (1287, 15201), (1689, 11583), (2673, 7319), (3159, 6193), (3861, 5067)]