18915064

素因数分解:

$2^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{6373}}^1$

素因数の和:6439

約数の個数: 32

約数和(自身を含む): 41303520

約数和(自身を除く): 22388456

約数列:

[1, 2, 4, 7, 8, 14, 28, 53, 56, 106, 212, 371, 424, 742, 1484, 2968, 6373, 12746, 25492, 44611, 50984, 89222, 178444, 337769, 356888, 675538, 1351076, 2364383, 2702152, 4728766, 9457532, 18915064]

約数ペア:

[(1, 18915064), (2, 9457532), (4, 4728766), (7, 2702152), (8, 2364383), (14, 1351076), (28, 675538), (53, 356888), (56, 337769), (106, 178444), (212, 89222), (371, 50984), (424, 44611), (742, 25492), (1484, 12746), (2968, 6373)]