1645552

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{5413}}^1$

素因数の和:5440

約数の個数: 20

約数和(自身を含む): 3356680

約数和(自身を除く): 1711128

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 5413, 10826, 21652, 43304, 86608, 102847, 205694, 411388, 822776, 1645552]

約数ペア:

[(1, 1645552), (2, 822776), (4, 411388), (8, 205694), (16, 102847), (19, 86608), (38, 43304), (76, 21652), (152, 10826), (304, 5413)]