19257957

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{659}}^1$

素因数の和:873

約数の個数: 24

約数和(自身を含む): 29652480

約数和(自身を除く): 10394523

約数列:

[1, 3, 9, 17, 51, 153, 191, 573, 659, 1719, 1977, 3247, 5931, 9741, 11203, 29223, 33609, 100827, 125869, 377607, 1132821, 2139773, 6419319, 19257957]

約数ペア:

[(1, 19257957), (3, 6419319), (9, 2139773), (17, 1132821), (51, 377607), (153, 125869), (191, 100827), (573, 33609), (659, 29223), (1719, 11203), (1977, 9741), (3247, 5931)]