19702419

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{4007}}^1$

素因数の和:4170

約数の個数: 16

約数和(自身を含む): 28857600

約数和(自身を除く): 9155181

約数列:

[1, 3, 11, 33, 149, 447, 1639, 4007, 4917, 12021, 44077, 132231, 597043, 1791129, 6567473, 19702419]

約数ペア:

[(1, 19702419), (3, 6567473), (11, 1791129), (33, 597043), (149, 132231), (447, 44077), (1639, 12021), (4007, 4917)]