19783552

素因数分解:

$2^7\times {\mathrm{127}}^1\times {\mathrm{1217}}^1$

素因数の和:1358

約数の個数: 32

約数和(自身を含む): 39755520

約数和(自身を除く): 19971968

約数列:

[1, 2, 4, 8, 16, 32, 64, 127, 128, 254, 508, 1016, 1217, 2032, 2434, 4064, 4868, 8128, 9736, 16256, 19472, 38944, 77888, 154559, 155776, 309118, 618236, 1236472, 2472944, 4945888, 9891776, 19783552]

約数ペア:

[(1, 19783552), (2, 9891776), (4, 4945888), (8, 2472944), (16, 1236472), (32, 618236), (64, 309118), (127, 155776), (128, 154559), (254, 77888), (508, 38944), (1016, 19472), (1217, 16256), (2032, 9736), (2434, 8128), (4064, 4868)]