19453863

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{331}}^1$

素因数の和:495

約数の個数: 32

約数和(自身を含む): 30788352

約数和(自身を除く): 11334489

約数列:

[1, 3, 11, 13, 33, 39, 137, 143, 331, 411, 429, 993, 1507, 1781, 3641, 4303, 4521, 5343, 10923, 12909, 19591, 45347, 47333, 58773, 136041, 141999, 498817, 589511, 1496451, 1768533, 6484621, 19453863]

約数ペア:

[(1, 19453863), (3, 6484621), (11, 1768533), (13, 1496451), (33, 589511), (39, 498817), (137, 141999), (143, 136041), (331, 58773), (411, 47333), (429, 45347), (993, 19591), (1507, 12909), (1781, 10923), (3641, 5343), (4303, 4521)]